21956538

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 45696960

約数和(自身を除く): 23740422

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 257, 491, 514, 771, 982, 1473, 1542, 2946, 7453, 14239, 14906, 22359, 28478, 42717, 44718, 85434, 126187, 252374, 378561, 757122, 3659423, 7318846, 10978269, 21956538]

約数ペア:

[(1, 21956538), (2, 10978269), (3, 7318846), (6, 3659423), (29, 757122), (58, 378561), (87, 252374), (174, 126187), (257, 85434), (491, 44718), (514, 42717), (771, 28478), (982, 22359), (1473, 14906), (1542, 14239), (2946, 7453)]