21855720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{182131}}^1$

素因数の和:182145

約数の個数: 32

約数和(自身を含む): 65567520

約数和(自身を除く): 43711800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 182131, 364262, 546393, 728524, 910655, 1092786, 1457048, 1821310, 2185572, 2731965, 3642620, 4371144, 5463930, 7285240, 10927860, 21855720]

約数ペア:

[(1, 21855720), (2, 10927860), (3, 7285240), (4, 5463930), (5, 4371144), (6, 3642620), (8, 2731965), (10, 2185572), (12, 1821310), (15, 1457048), (20, 1092786), (24, 910655), (30, 728524), (40, 546393), (60, 364262), (120, 182131)]