21498424

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2111}}^1$

素因数の和:2203

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 21586376

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 2111, 2546, 4222, 5092, 8444, 10184, 16888, 40109, 80218, 141437, 160436, 282874, 320872, 565748, 1131496, 2687303, 5374606, 10749212, 21498424]

約数ペア:

[(1, 21498424), (2, 10749212), (4, 5374606), (8, 2687303), (19, 1131496), (38, 565748), (67, 320872), (76, 282874), (134, 160436), (152, 141437), (268, 80218), (536, 40109), (1273, 16888), (2111, 10184), (2546, 8444), (4222, 5092)]