21345360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 72376320

約数和(自身を除く): 51030960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 151, 152, 155, 186, 190, 228, 240, 248, 285, 302, 304, 310, 372, 380, 453, 456, 465, 496, 570, 589, 604, 620, 744, 755, 760, 906, 912, 930, 1140, 1178, 1208, 1240, 1488, 1510, 1520, 1767, 1812, 1860, 2265, 2280, 2356, 2416, 2480, 2869, 2945, 3020, 3534, 3624, 3720, 4530, 4560, 4681, 4712, 5738, 5890, 6040, 7068, 7248, 7440, 8607, 8835, 9060, 9362, 9424, 11476, 11780, 12080, 14043, 14136, 14345, 17214, 17670, 18120, 18724, 22952, 23405, 23560, 28086, 28272, 28690, 34428, 35340, 36240, 37448, 43035, 45904, 46810, 47120, 56172, 57380, 68856, 70215, 70680, 74896, 86070, 88939, 93620, 112344, 114760, 137712, 140430, 141360, 172140, 177878, 187240, 224688, 229520, 266817, 280860, 344280, 355756, 374480, 444695, 533634, 561720, 688560, 711512, 889390, 1067268, 1123440, 1334085, 1423024, 1778780, 2134536, 2668170, 3557560, 4269072, 5336340, 7115120, 10672680, 21345360]

約数ペア:

[(1, 21345360), (2, 10672680), (3, 7115120), (4, 5336340), (5, 4269072), (6, 3557560), (8, 2668170), (10, 2134536), (12, 1778780), (15, 1423024), (16, 1334085), (19, 1123440), (20, 1067268), (24, 889390), (30, 711512), (31, 688560), (38, 561720), (40, 533634), (48, 444695), (57, 374480), (60, 355756), (62, 344280), (76, 280860), (80, 266817), (93, 229520), (95, 224688), (114, 187240), (120, 177878), (124, 172140), (151, 141360), (152, 140430), (155, 137712), (186, 114760), (190, 112344), (228, 93620), (240, 88939), (248, 86070), (285, 74896), (302, 70680), (304, 70215), (310, 68856), (372, 57380), (380, 56172), (453, 47120), (456, 46810), (465, 45904), (496, 43035), (570, 37448), (589, 36240), (604, 35340), (620, 34428), (744, 28690), (755, 28272), (760, 28086), (906, 23560), (912, 23405), (930, 22952), (1140, 18724), (1178, 18120), (1208, 17670), (1240, 17214), (1488, 14345), (1510, 14136), (1520, 14043), (1767, 12080), (1812, 11780), (1860, 11476), (2265, 9424), (2280, 9362), (2356, 9060), (2416, 8835), (2480, 8607), (2869, 7440), (2945, 7248), (3020, 7068), (3534, 6040), (3624, 5890), (3720, 5738), (4530, 4712), (4560, 4681)]