21694283152

素因数分解:

$2^4\times {\mathrm{1487}}^1\times {\mathrm{911831}}^1$

素因数の和:913326

約数の個数: 20

約数和(自身を含む): 42060986496

約数和(自身を除く): 20366703344

約数列:

[1, 2, 4, 8, 16, 1487, 2974, 5948, 11896, 23792, 911831, 1823662, 3647324, 7294648, 14589296, 1355892697, 2711785394, 5423570788, 10847141576, 21694283152]

約数ペア:

[(1, 21694283152), (2, 10847141576), (4, 5423570788), (8, 2711785394), (16, 1355892697), (1487, 14589296), (2974, 7294648), (5948, 3647324), (11896, 1823662), (23792, 911831)]