21189752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4211}}^1$

素因数の和:4271

約数の個数: 32

約数和(自身を含む): 43215120

約数和(自身を除く): 22025368

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4211, 5032, 8422, 16844, 33688, 71587, 143174, 155807, 286348, 311614, 572696, 623228, 1246456, 2648719, 5297438, 10594876, 21189752]

約数ペア:

[(1, 21189752), (2, 10594876), (4, 5297438), (8, 2648719), (17, 1246456), (34, 623228), (37, 572696), (68, 311614), (74, 286348), (136, 155807), (148, 143174), (296, 71587), (629, 33688), (1258, 16844), (2516, 8422), (4211, 5032)]