21072736

素因数分解:

$2^5\times {\mathrm{691}}^1\times {\mathrm{953}}^1$

素因数の和:1654

約数の個数: 24

約数和(自身を含む): 41590584

約数和(自身を除く): 20517848

約数列:

[1, 2, 4, 8, 16, 32, 691, 953, 1382, 1906, 2764, 3812, 5528, 7624, 11056, 15248, 22112, 30496, 658523, 1317046, 2634092, 5268184, 10536368, 21072736]

約数ペア:

[(1, 21072736), (2, 10536368), (4, 5268184), (8, 2634092), (16, 1317046), (32, 658523), (691, 30496), (953, 22112), (1382, 15248), (1906, 11056), (2764, 7624), (3812, 5528)]