21603038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{1087}}^1$

素因数の和:1631

約数の個数: 16

約数和(自身を含む): 34206720

約数和(自身を除く): 12603682

約数列:

[1, 2, 19, 38, 523, 1046, 1087, 2174, 9937, 19874, 20653, 41306, 568501, 1137002, 10801519, 21603038]

約数ペア:

[(1, 21603038), (2, 10801519), (19, 1137002), (38, 568501), (523, 41306), (1046, 20653), (1087, 19874), (2174, 9937)]