21221732

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 45760512

約数和(自身を除く): 24538780

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 92, 124, 161, 217, 322, 434, 644, 713, 868, 1063, 1426, 2126, 2852, 4252, 4991, 7441, 9982, 14882, 19964, 24449, 29764, 32953, 48898, 65906, 97796, 131812, 171143, 230671, 342286, 461342, 684572, 757919, 922684, 1515838, 3031676, 5305433, 10610866, 21221732]

約数ペア:

[(1, 21221732), (2, 10610866), (4, 5305433), (7, 3031676), (14, 1515838), (23, 922684), (28, 757919), (31, 684572), (46, 461342), (62, 342286), (92, 230671), (124, 171143), (161, 131812), (217, 97796), (322, 65906), (434, 48898), (644, 32953), (713, 29764), (868, 24449), (1063, 19964), (1426, 14882), (2126, 9982), (2852, 7441), (4252, 4991)]