21232148

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 44663808

約数和(自身を除く): 23431660

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 401, 427, 434, 802, 854, 868, 1604, 1708, 1891, 2807, 3782, 5614, 7564, 11228, 12431, 13237, 24461, 24862, 26474, 48922, 49724, 52948, 87017, 97844, 171227, 174034, 342454, 348068, 684908, 758291, 1516582, 3033164, 5308037, 10616074, 21232148]

約数ペア:

[(1, 21232148), (2, 10616074), (4, 5308037), (7, 3033164), (14, 1516582), (28, 758291), (31, 684908), (61, 348068), (62, 342454), (122, 174034), (124, 171227), (217, 97844), (244, 87017), (401, 52948), (427, 49724), (434, 48922), (802, 26474), (854, 24862), (868, 24461), (1604, 13237), (1708, 12431), (1891, 11228), (2807, 7564), (3782, 5614)]