21610695

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 36679680

約数和(自身を除く): 15068985

約数列:

[1, 3, 5, 15, 19, 57, 95, 191, 285, 397, 573, 955, 1191, 1985, 2865, 3629, 5955, 7543, 10887, 18145, 22629, 37715, 54435, 75827, 113145, 227481, 379135, 1137405, 1440713, 4322139, 7203565, 21610695]

約数ペア:

[(1, 21610695), (3, 7203565), (5, 4322139), (15, 1440713), (19, 1137405), (57, 379135), (95, 227481), (191, 113145), (285, 75827), (397, 54435), (573, 37715), (955, 22629), (1191, 18145), (1985, 10887), (2865, 7543), (3629, 5955)]