21546976

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1555

約数の個数: 48

約数和(自身を含む): 47437488

約数和(自身を除く): 25890512

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1493, 1804, 2986, 3608, 5972, 7216, 11944, 14432, 16423, 23888, 32846, 47776, 61213, 65692, 122426, 131384, 244852, 262768, 489704, 525536, 673343, 979408, 1346686, 1958816, 2693372, 5386744, 10773488, 21546976]

約数ペア:

[(1, 21546976), (2, 10773488), (4, 5386744), (8, 2693372), (11, 1958816), (16, 1346686), (22, 979408), (32, 673343), (41, 525536), (44, 489704), (82, 262768), (88, 244852), (164, 131384), (176, 122426), (328, 65692), (352, 61213), (451, 47776), (656, 32846), (902, 23888), (1312, 16423), (1493, 14432), (1804, 11944), (2986, 7216), (3608, 5972)]