21385846

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13450634

約数列:

[1, 2, 31, 41, 47, 62, 82, 94, 179, 358, 1271, 1457, 1927, 2542, 2914, 3854, 5549, 7339, 8413, 11098, 14678, 16826, 59737, 119474, 227509, 260803, 344933, 455018, 521606, 689866, 10692923, 21385846]

約数ペア:

[(1, 21385846), (2, 10692923), (31, 689866), (41, 521606), (47, 455018), (62, 344933), (82, 260803), (94, 227509), (179, 119474), (358, 59737), (1271, 16826), (1457, 14678), (1927, 11098), (2542, 8413), (2914, 7339), (3854, 5549)]