21372451

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 24136704

約数和(自身を除く): 2764253

約数列:

[1, 17, 23, 47, 391, 799, 1081, 1163, 18377, 19771, 26749, 54661, 454733, 929237, 1257203, 21372451]

約数ペア:

[(1, 21372451), (17, 1257203), (23, 929237), (47, 454733), (391, 54661), (799, 26749), (1081, 19771), (1163, 18377)]