21523830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13537}}^1$

素因数の和:13600

約数の個数: 32

約数和(自身を含む): 52635744

約数和(自身を除く): 31111914

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13537, 27074, 40611, 67685, 81222, 135370, 203055, 406110, 717461, 1434922, 2152383, 3587305, 4304766, 7174610, 10761915, 21523830]

約数ペア:

[(1, 21523830), (2, 10761915), (3, 7174610), (5, 4304766), (6, 3587305), (10, 2152383), (15, 1434922), (30, 717461), (53, 406110), (106, 203055), (159, 135370), (265, 81222), (318, 67685), (530, 40611), (795, 27074), (1590, 13537)]