21544360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14557}}^1$

素因数の和:14605

約数の個数: 32

約数和(自身を含む): 49788360

約数和(自身を除く): 28244000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 14557, 29114, 58228, 72785, 116456, 145570, 291140, 538609, 582280, 1077218, 2154436, 2693045, 4308872, 5386090, 10772180, 21544360]

約数ペア:

[(1, 21544360), (2, 10772180), (4, 5386090), (5, 4308872), (8, 2693045), (10, 2154436), (20, 1077218), (37, 582280), (40, 538609), (74, 291140), (148, 145570), (185, 116456), (296, 72785), (370, 58228), (740, 29114), (1480, 14557)]