21186310

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 39204000

約数和(自身を除く): 18017690

約数列:

[1, 2, 5, 10, 59, 118, 149, 241, 295, 298, 482, 590, 745, 1205, 1490, 2410, 8791, 14219, 17582, 28438, 35909, 43955, 71095, 71818, 87910, 142190, 179545, 359090, 2118631, 4237262, 10593155, 21186310]

約数ペア:

[(1, 21186310), (2, 10593155), (5, 4237262), (10, 2118631), (59, 359090), (118, 179545), (149, 142190), (241, 87910), (295, 71818), (298, 71095), (482, 43955), (590, 35909), (745, 28438), (1205, 17582), (1490, 14219), (2410, 8791)]