21529401

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1792

約数の個数: 16

約数和(自身を含む): 29605248

約数和(自身を除く): 8075847

約数列:

[1, 3, 61, 71, 183, 213, 1657, 4331, 4971, 12993, 101077, 117647, 303231, 352941, 7176467, 21529401]

約数ペア:

[(1, 21529401), (3, 7176467), (61, 352941), (71, 303231), (183, 117647), (213, 101077), (1657, 12993), (4331, 4971)]