21062235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 35983872

約数和(自身を除く): 14921637

約数列:

[1, 3, 5, 15, 17, 51, 85, 151, 255, 453, 547, 755, 1641, 2265, 2567, 2735, 7701, 8205, 9299, 12835, 27897, 38505, 46495, 82597, 139485, 247791, 412985, 1238955, 1404149, 4212447, 7020745, 21062235]

約数ペア:

[(1, 21062235), (3, 7020745), (5, 4212447), (15, 1404149), (17, 1238955), (51, 412985), (85, 247791), (151, 139485), (255, 82597), (453, 46495), (547, 38505), (755, 27897), (1641, 12835), (2265, 9299), (2567, 8205), (2735, 7701)]