21368484

素因数分解:

$2^2\times 3^2\times {\mathrm{691}}^1\times {\mathrm{859}}^1$

素因数の和:1560

約数の個数: 36

約数和(自身を含む): 54155920

約数和(自身を除く): 32787436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 691, 859, 1382, 1718, 2073, 2577, 2764, 3436, 4146, 5154, 6219, 7731, 8292, 10308, 12438, 15462, 24876, 30924, 593569, 1187138, 1780707, 2374276, 3561414, 5342121, 7122828, 10684242, 21368484]

約数ペア:

[(1, 21368484), (2, 10684242), (3, 7122828), (4, 5342121), (6, 3561414), (9, 2374276), (12, 1780707), (18, 1187138), (36, 593569), (691, 30924), (859, 24876), (1382, 15462), (1718, 12438), (2073, 10308), (2577, 8292), (2764, 7731), (3436, 6219), (4146, 5154)]