21527710

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{701}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 40334112

約数和(自身を除く): 18806402

約数列:

[1, 2, 5, 10, 37, 74, 83, 166, 185, 370, 415, 701, 830, 1402, 3071, 3505, 6142, 7010, 15355, 25937, 30710, 51874, 58183, 116366, 129685, 259370, 290915, 581830, 2152771, 4305542, 10763855, 21527710]

約数ペア:

[(1, 21527710), (2, 10763855), (5, 4305542), (10, 2152771), (37, 581830), (74, 290915), (83, 259370), (166, 129685), (185, 116366), (370, 58183), (415, 51874), (701, 30710), (830, 25937), (1402, 15355), (3071, 7010), (3505, 6142)]