21413565

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1429}}^1$

素因数の和:1483

約数の個数: 40

約数和(自身を含む): 39450840

約数和(自身を除く): 18037275

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 333, 405, 555, 999, 1429, 1665, 2997, 4287, 4995, 7145, 12861, 14985, 21435, 38583, 52873, 64305, 115749, 158619, 192915, 264365, 475857, 578745, 793095, 1427571, 2379285, 4282713, 7137855, 21413565]

約数ペア:

[(1, 21413565), (3, 7137855), (5, 4282713), (9, 2379285), (15, 1427571), (27, 793095), (37, 578745), (45, 475857), (81, 264365), (111, 192915), (135, 158619), (185, 115749), (333, 64305), (405, 52873), (555, 38583), (999, 21435), (1429, 14985), (1665, 12861), (2997, 7145), (4287, 4995)]