21039240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175327}}^1$

素因数の和:175341

約数の個数: 32

約数和(自身を含む): 63118080

約数和(自身を除く): 42078840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175327, 350654, 525981, 701308, 876635, 1051962, 1402616, 1753270, 2103924, 2629905, 3506540, 4207848, 5259810, 7013080, 10519620, 21039240]

約数ペア:

[(1, 21039240), (2, 10519620), (3, 7013080), (4, 5259810), (5, 4207848), (6, 3506540), (8, 2629905), (10, 2103924), (12, 1753270), (15, 1402616), (20, 1051962), (24, 876635), (30, 701308), (40, 525981), (60, 350654), (120, 175327)]