21479404

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2087}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 39287808

約数和(自身を除く): 17808404

約数列:

[1, 2, 4, 31, 62, 83, 124, 166, 332, 2087, 2573, 4174, 5146, 8348, 10292, 64697, 129394, 173221, 258788, 346442, 692884, 5369851, 10739702, 21479404]

約数ペア:

[(1, 21479404), (2, 10739702), (4, 5369851), (31, 692884), (62, 346442), (83, 258788), (124, 173221), (166, 129394), (332, 64697), (2087, 10292), (2573, 8348), (4174, 5146)]