21990182399

素因数分解:

${\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1237}}^1\times {\mathrm{5227}}^1$

素因数の和:6662

約数の個数: 16

約数和(自身を含む): 23300150400

約数和(自身を除く): 1309968001

約数列:

[1, 19, 179, 1237, 3401, 5227, 23503, 99313, 221423, 935633, 4207037, 6465799, 17777027, 122850181, 1157378021, 21990182399]

約数ペア:

[(1, 21990182399), (19, 1157378021), (179, 122850181), (1237, 17777027), (3401, 6465799), (5227, 4207037), (23503, 935633), (99313, 221423)]