21029115

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^2\times {\mathrm{149}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 34225200

約数和(自身を除く): 13196085

約数列:

[1, 3, 5, 15, 97, 149, 291, 447, 485, 745, 1455, 2235, 9409, 14453, 28227, 43359, 47045, 72265, 141135, 216795, 1401941, 4205823, 7009705, 21029115]

約数ペア:

[(1, 21029115), (3, 7009705), (5, 4205823), (15, 1401941), (97, 216795), (149, 141135), (291, 72265), (447, 47045), (485, 43359), (745, 28227), (1455, 14453), (2235, 9409)]