21455882

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 17510518

約数列:

[1, 2, 7, 14, 29, 43, 58, 86, 203, 301, 406, 602, 1229, 1247, 2458, 2494, 8603, 8729, 17206, 17458, 35641, 52847, 71282, 105694, 249487, 369929, 498974, 739858, 1532563, 3065126, 10727941, 21455882]

約数ペア:

[(1, 21455882), (2, 10727941), (7, 3065126), (14, 1532563), (29, 739858), (43, 498974), (58, 369929), (86, 249487), (203, 105694), (301, 71282), (406, 52847), (602, 35641), (1229, 17458), (1247, 17206), (2458, 8729), (2494, 8603)]