21463256

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 42066000

約数和(自身を除く): 20602744

約数列:

[1, 2, 4, 8, 37, 59, 74, 118, 148, 236, 296, 472, 1229, 2183, 2458, 4366, 4916, 8732, 9832, 17464, 45473, 72511, 90946, 145022, 181892, 290044, 363784, 580088, 2682907, 5365814, 10731628, 21463256]

約数ペア:

[(1, 21463256), (2, 10731628), (4, 5365814), (8, 2682907), (37, 580088), (59, 363784), (74, 290044), (118, 181892), (148, 145022), (236, 90946), (296, 72511), (472, 45473), (1229, 17464), (2183, 9832), (2458, 8732), (4366, 4916)]