21372960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6361}}^1$

素因数の和:6386

約数の個数: 96

約数和(自身を含む): 76954752

約数和(自身を除く): 55581792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6361, 12722, 19083, 25444, 31805, 38166, 44527, 50888, 63610, 76332, 89054, 95415, 101776, 127220, 133581, 152664, 178108, 190830, 203552, 222635, 254440, 267162, 305328, 356216, 381660, 445270, 508880, 534324, 610656, 667905, 712432, 763320, 890540, 1017760, 1068648, 1335810, 1424864, 1526640, 1781080, 2137296, 2671620, 3053280, 3562160, 4274592, 5343240, 7124320, 10686480, 21372960]

約数ペア:

[(1, 21372960), (2, 10686480), (3, 7124320), (4, 5343240), (5, 4274592), (6, 3562160), (7, 3053280), (8, 2671620), (10, 2137296), (12, 1781080), (14, 1526640), (15, 1424864), (16, 1335810), (20, 1068648), (21, 1017760), (24, 890540), (28, 763320), (30, 712432), (32, 667905), (35, 610656), (40, 534324), (42, 508880), (48, 445270), (56, 381660), (60, 356216), (70, 305328), (80, 267162), (84, 254440), (96, 222635), (105, 203552), (112, 190830), (120, 178108), (140, 152664), (160, 133581), (168, 127220), (210, 101776), (224, 95415), (240, 89054), (280, 76332), (336, 63610), (420, 50888), (480, 44527), (560, 38166), (672, 31805), (840, 25444), (1120, 19083), (1680, 12722), (3360, 6361)]