21828872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11047}}^1$

素因数の和:11085

約数の個数: 32

約数和(自身を含む): 46401600

約数和(自身を除く): 24572728

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 11047, 22094, 44188, 88376, 143611, 209893, 287222, 419786, 574444, 839572, 1148888, 1679144, 2728609, 5457218, 10914436, 21828872]

約数ペア:

[(1, 21828872), (2, 10914436), (4, 5457218), (8, 2728609), (13, 1679144), (19, 1148888), (26, 839572), (38, 574444), (52, 419786), (76, 287222), (104, 209893), (152, 143611), (247, 88376), (494, 44188), (988, 22094), (1976, 11047)]