21112

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:55

約数の個数: 32

約数和(自身を含む): 50400

約数和(自身を除く): 29288

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 1508, 1624, 2639, 3016, 5278, 10556, 21112]

約数ペア:

[(1, 21112), (2, 10556), (4, 5278), (7, 3016), (8, 2639), (13, 1624), (14, 1508), (26, 812), (28, 754), (29, 728), (52, 406), (56, 377), (58, 364), (91, 232), (104, 203), (116, 182)]