21385392

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63647}}^1$

素因数の和:63665

約数の個数: 40

約数和(自身を含む): 63138816

約数和(自身を除く): 41753424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63647, 127294, 190941, 254588, 381882, 445529, 509176, 763764, 891058, 1018352, 1336587, 1527528, 1782116, 2673174, 3055056, 3564232, 5346348, 7128464, 10692696, 21385392]

約数ペア:

[(1, 21385392), (2, 10692696), (3, 7128464), (4, 5346348), (6, 3564232), (7, 3055056), (8, 2673174), (12, 1782116), (14, 1527528), (16, 1336587), (21, 1018352), (24, 891058), (28, 763764), (42, 509176), (48, 445529), (56, 381882), (84, 254588), (112, 190941), (168, 127294), (336, 63647)]