21851430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{728381}}^1$

素因数の和:728391

約数の個数: 16

約数和(自身を含む): 52443504

約数和(自身を除く): 30592074

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 728381, 1456762, 2185143, 3641905, 4370286, 7283810, 10925715, 21851430]

約数ペア:

[(1, 21851430), (2, 10925715), (3, 7283810), (5, 4370286), (6, 3641905), (10, 2185143), (15, 1456762), (30, 728381)]