21000216

素因数分解:

$2^3\times 3^1\times {\mathrm{229}}^1\times {\mathrm{3821}}^1$

素因数の和:4059

約数の個数: 32

約数和(自身を含む): 52743600

約数和(自身を除く): 31743384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 229, 458, 687, 916, 1374, 1832, 2748, 3821, 5496, 7642, 11463, 15284, 22926, 30568, 45852, 91704, 875009, 1750018, 2625027, 3500036, 5250054, 7000072, 10500108, 21000216]

約数ペア:

[(1, 21000216), (2, 10500108), (3, 7000072), (4, 5250054), (6, 3500036), (8, 2625027), (12, 1750018), (24, 875009), (229, 91704), (458, 45852), (687, 30568), (916, 22926), (1374, 15284), (1832, 11463), (2748, 7642), (3821, 5496)]