21613514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 15642166

約数列:

[1, 2, 13, 23, 26, 46, 47, 94, 299, 598, 611, 769, 1081, 1222, 1538, 2162, 9997, 14053, 17687, 19994, 28106, 35374, 36143, 72286, 229931, 459862, 469859, 831289, 939718, 1662578, 10806757, 21613514]

約数ペア:

[(1, 21613514), (2, 10806757), (13, 1662578), (23, 939718), (26, 831289), (46, 469859), (47, 459862), (94, 229931), (299, 72286), (598, 36143), (611, 35374), (769, 28106), (1081, 19994), (1222, 17687), (1538, 14053), (2162, 9997)]