21530914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5501}}^1$

素因数の和:5625

約数の個数: 16

約数和(自身を含む): 34332480

約数和(自身を除く): 12801566

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5501, 11002, 104519, 209038, 566603, 1133206, 10765457, 21530914]

約数ペア:

[(1, 21530914), (2, 10765457), (19, 1133206), (38, 566603), (103, 209038), (206, 104519), (1957, 11002), (3914, 5501)]