21436785

素因数分解:

$3^3\times 5^1\times {\mathrm{158791}}^1$

素因数の和:158805

約数の個数: 16

約数和(自身を含む): 38110080

約数和(自身を除く): 16673295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 158791, 476373, 793955, 1429119, 2381865, 4287357, 7145595, 21436785]

約数ペア:

[(1, 21436785), (3, 7145595), (5, 4287357), (9, 2381865), (15, 1429119), (27, 793955), (45, 476373), (135, 158791)]