21360270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10627}}^1$

素因数の和:10704

約数の個数: 32

約数和(自身を含む): 52034688

約数和(自身を除く): 30674418

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10627, 21254, 31881, 53135, 63762, 106270, 159405, 318810, 712009, 1424018, 2136027, 3560045, 4272054, 7120090, 10680135, 21360270]

約数ペア:

[(1, 21360270), (2, 10680135), (3, 7120090), (5, 4272054), (6, 3560045), (10, 2136027), (15, 1424018), (30, 712009), (67, 318810), (134, 159405), (201, 106270), (335, 63762), (402, 53135), (670, 31881), (1005, 21254), (2010, 10627)]