21034587

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18899}}^1$

素因数の和:18962

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 11624613

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18899, 56697, 132293, 396879, 1001647, 3004941, 7011529, 21034587]

約数ペア:

[(1, 21034587), (3, 7011529), (7, 3004941), (21, 1001647), (53, 396879), (159, 132293), (371, 56697), (1113, 18899)]