21856260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364271}}^1$

素因数の和:364283

約数の個数: 24

約数和(自身を含む): 61197696

約数和(自身を除く): 39341436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364271, 728542, 1092813, 1457084, 1821355, 2185626, 3642710, 4371252, 5464065, 7285420, 10928130, 21856260]

約数ペア:

[(1, 21856260), (2, 10928130), (3, 7285420), (4, 5464065), (5, 4371252), (6, 3642710), (10, 2185626), (12, 1821355), (15, 1457084), (20, 1092813), (30, 728542), (60, 364271)]