21035212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2503}}^1$

素因数の和:2709

約数の個数: 24

約数和(自身を含む): 40384512

約数和(自身を除く): 19349300

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 2503, 4202, 5006, 8404, 10012, 27533, 55066, 110132, 478073, 956146, 1912292, 5258803, 10517606, 21035212]

約数ペア:

[(1, 21035212), (2, 10517606), (4, 5258803), (11, 1912292), (22, 956146), (44, 478073), (191, 110132), (382, 55066), (764, 27533), (2101, 10012), (2503, 8404), (4202, 5006)]