21496878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{91867}}^1$

素因数の和:91888

約数の個数: 24

約数和(自身を含む): 50159928

約数和(自身を除く): 28663050

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 91867, 183734, 275601, 551202, 826803, 1194271, 1653606, 2388542, 3582813, 7165626, 10748439, 21496878]

約数ペア:

[(1, 21496878), (2, 10748439), (3, 7165626), (6, 3582813), (9, 2388542), (13, 1653606), (18, 1194271), (26, 826803), (39, 551202), (78, 275601), (117, 183734), (234, 91867)]