21023730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 71705088

約数和(自身を除く): 50681358

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 17, 18, 21, 26, 30, 34, 35, 39, 42, 45, 51, 63, 65, 70, 78, 85, 90, 91, 102, 105, 117, 119, 126, 130, 151, 153, 170, 182, 195, 210, 221, 234, 238, 255, 273, 302, 306, 315, 357, 390, 442, 453, 455, 510, 546, 585, 595, 630, 663, 714, 755, 765, 819, 906, 910, 1057, 1071, 1105, 1170, 1190, 1326, 1359, 1365, 1510, 1530, 1547, 1638, 1785, 1963, 1989, 2114, 2142, 2210, 2265, 2567, 2718, 2730, 3094, 3171, 3315, 3570, 3926, 3978, 4095, 4530, 4641, 5134, 5285, 5355, 5889, 6342, 6630, 6795, 7701, 7735, 8190, 9282, 9513, 9815, 9945, 10570, 10710, 11778, 12835, 13590, 13741, 13923, 15402, 15470, 15855, 17667, 17969, 19026, 19630, 19890, 23103, 23205, 25670, 27482, 27846, 29445, 31710, 33371, 35334, 35938, 38505, 41223, 46206, 46410, 47565, 53907, 58890, 66742, 68705, 69615, 77010, 82446, 88335, 89845, 95130, 100113, 107814, 115515, 123669, 137410, 139230, 161721, 166855, 176670, 179690, 200226, 206115, 231030, 233597, 247338, 269535, 300339, 323442, 333710, 412230, 467194, 500565, 539070, 600678, 618345, 700791, 808605, 1001130, 1167985, 1236690, 1401582, 1501695, 1617210, 2102373, 2335970, 3003390, 3503955, 4204746, 7007910, 10511865, 21023730]

約数ペア:

[(1, 21023730), (2, 10511865), (3, 7007910), (5, 4204746), (6, 3503955), (7, 3003390), (9, 2335970), (10, 2102373), (13, 1617210), (14, 1501695), (15, 1401582), (17, 1236690), (18, 1167985), (21, 1001130), (26, 808605), (30, 700791), (34, 618345), (35, 600678), (39, 539070), (42, 500565), (45, 467194), (51, 412230), (63, 333710), (65, 323442), (70, 300339), (78, 269535), (85, 247338), (90, 233597), (91, 231030), (102, 206115), (105, 200226), (117, 179690), (119, 176670), (126, 166855), (130, 161721), (151, 139230), (153, 137410), (170, 123669), (182, 115515), (195, 107814), (210, 100113), (221, 95130), (234, 89845), (238, 88335), (255, 82446), (273, 77010), (302, 69615), (306, 68705), (315, 66742), (357, 58890), (390, 53907), (442, 47565), (453, 46410), (455, 46206), (510, 41223), (546, 38505), (585, 35938), (595, 35334), (630, 33371), (663, 31710), (714, 29445), (755, 27846), (765, 27482), (819, 25670), (906, 23205), (910, 23103), (1057, 19890), (1071, 19630), (1105, 19026), (1170, 17969), (1190, 17667), (1326, 15855), (1359, 15470), (1365, 15402), (1510, 13923), (1530, 13741), (1547, 13590), (1638, 12835), (1785, 11778), (1963, 10710), (1989, 10570), (2114, 9945), (2142, 9815), (2210, 9513), (2265, 9282), (2567, 8190), (2718, 7735), (2730, 7701), (3094, 6795), (3171, 6630), (3315, 6342), (3570, 5889), (3926, 5355), (3978, 5285), (4095, 5134), (4530, 4641)]