21463792

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11273}}^1$

素因数の和:11305

約数の個数: 40

約数和(自身を含む): 50327136

約数和(自身を除く): 28863344

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11273, 22546, 45092, 78911, 90184, 157822, 180368, 191641, 315644, 383282, 631288, 766564, 1262576, 1341487, 1533128, 2682974, 3066256, 5365948, 10731896, 21463792]

約数ペア:

[(1, 21463792), (2, 10731896), (4, 5365948), (7, 3066256), (8, 2682974), (14, 1533128), (16, 1341487), (17, 1262576), (28, 766564), (34, 631288), (56, 383282), (68, 315644), (112, 191641), (119, 180368), (136, 157822), (238, 90184), (272, 78911), (476, 45092), (952, 22546), (1904, 11273)]