21379844700

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{349}}^1\times {\mathrm{2521}}^1$

素因数の和:2899

約数の個数: 216

約数和(自身を含む): 69722707600

約数和(自身を除く): 48342862900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 349, 405, 450, 486, 540, 675, 698, 810, 900, 972, 1047, 1215, 1350, 1396, 1620, 1745, 2025, 2094, 2430, 2521, 2700, 3141, 3490, 4050, 4188, 4860, 5042, 5235, 6075, 6282, 6980, 7563, 8100, 8725, 9423, 10084, 10470, 12150, 12564, 12605, 15126, 15705, 17450, 18846, 20940, 22689, 24300, 25210, 26175, 28269, 30252, 31410, 34900, 37692, 37815, 45378, 47115, 50420, 52350, 56538, 62820, 63025, 68067, 75630, 78525, 84807, 90756, 94230, 104700, 113076, 113445, 126050, 136134, 141345, 151260, 157050, 169614, 188460, 189075, 204201, 226890, 235575, 252100, 272268, 282690, 314100, 339228, 340335, 378150, 408402, 424035, 453780, 471150, 565380, 567225, 612603, 680670, 706725, 756300, 816804, 848070, 879829, 942300, 1021005, 1134450, 1225206, 1361340, 1413450, 1696140, 1701675, 1759658, 2042010, 2120175, 2268900, 2450412, 2639487, 2826900, 3063015, 3403350, 3519316, 4084020, 4240350, 4399145, 5105025, 5278974, 6126030, 6806700, 7918461, 8480700, 8798290, 10210050, 10557948, 12252060, 13197435, 15315075, 15836922, 17596580, 20420100, 21995725, 23755383, 26394870, 30630150, 31673844, 39592305, 43991450, 47510766, 52789740, 61260300, 65987175, 71266149, 79184610, 87982900, 95021532, 118776915, 131974350, 142532298, 158369220, 197961525, 213798447, 237553830, 263948700, 285064596, 356330745, 395923050, 427596894, 475107660, 593884575, 712661490, 791846100, 855193788, 1068992235, 1187769150, 1425322980, 1781653725, 2137984470, 2375538300, 3563307450, 4275968940, 5344961175, 7126614900, 10689922350, 21379844700]

約数ペア:

[(1, 21379844700), (2, 10689922350), (3, 7126614900), (4, 5344961175), (5, 4275968940), (6, 3563307450), (9, 2375538300), (10, 2137984470), (12, 1781653725), (15, 1425322980), (18, 1187769150), (20, 1068992235), (25, 855193788), (27, 791846100), (30, 712661490), (36, 593884575), (45, 475107660), (50, 427596894), (54, 395923050), (60, 356330745), (75, 285064596), (81, 263948700), (90, 237553830), (100, 213798447), (108, 197961525), (135, 158369220), (150, 142532298), (162, 131974350), (180, 118776915), (225, 95021532), (243, 87982900), (270, 79184610), (300, 71266149), (324, 65987175), (349, 61260300), (405, 52789740), (450, 47510766), (486, 43991450), (540, 39592305), (675, 31673844), (698, 30630150), (810, 26394870), (900, 23755383), (972, 21995725), (1047, 20420100), (1215, 17596580), (1350, 15836922), (1396, 15315075), (1620, 13197435), (1745, 12252060), (2025, 10557948), (2094, 10210050), (2430, 8798290), (2521, 8480700), (2700, 7918461), (3141, 6806700), (3490, 6126030), (4050, 5278974), (4188, 5105025), (4860, 4399145), (5042, 4240350), (5235, 4084020), (6075, 3519316), (6282, 3403350), (6980, 3063015), (7563, 2826900), (8100, 2639487), (8725, 2450412), (9423, 2268900), (10084, 2120175), (10470, 2042010), (12150, 1759658), (12564, 1701675), (12605, 1696140), (15126, 1413450), (15705, 1361340), (17450, 1225206), (18846, 1134450), (20940, 1021005), (22689, 942300), (24300, 879829), (25210, 848070), (26175, 816804), (28269, 756300), (30252, 706725), (31410, 680670), (34900, 612603), (37692, 567225), (37815, 565380), (45378, 471150), (47115, 453780), (50420, 424035), (52350, 408402), (56538, 378150), (62820, 340335), (63025, 339228), (68067, 314100), (75630, 282690), (78525, 272268), (84807, 252100), (90756, 235575), (94230, 226890), (104700, 204201), (113076, 189075), (113445, 188460), (126050, 169614), (136134, 157050), (141345, 151260)]