21211288

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8059}}^1$

素因数の和:8119

約数の個数: 32

約数和(自身を含む): 46425600

約数和(自身を除く): 25214312

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8059, 16118, 32236, 56413, 64472, 112826, 225652, 378773, 451304, 757546, 1515092, 2651411, 3030184, 5302822, 10605644, 21211288]

約数ペア:

[(1, 21211288), (2, 10605644), (4, 5302822), (7, 3030184), (8, 2651411), (14, 1515092), (28, 757546), (47, 451304), (56, 378773), (94, 225652), (188, 112826), (329, 64472), (376, 56413), (658, 32236), (1316, 16118), (2632, 8059)]