21310070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73483}}^1$

素因数の和:73519

約数の個数: 16

約数和(自身を含む): 39681360

約数和(自身を除く): 18371290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73483, 146966, 367415, 734830, 2131007, 4262014, 10655035, 21310070]

約数ペア:

[(1, 21310070), (2, 10655035), (5, 4262014), (10, 2131007), (29, 734830), (58, 367415), (145, 146966), (290, 73483)]