21978120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{183151}}^1$

素因数の和:183165

約数の個数: 32

約数和(自身を含む): 65934720

約数和(自身を除く): 43956600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 183151, 366302, 549453, 732604, 915755, 1098906, 1465208, 1831510, 2197812, 2747265, 3663020, 4395624, 5494530, 7326040, 10989060, 21978120]

約数ペア:

[(1, 21978120), (2, 10989060), (3, 7326040), (4, 5494530), (5, 4395624), (6, 3663020), (8, 2747265), (10, 2197812), (12, 1831510), (15, 1465208), (20, 1098906), (24, 915755), (30, 732604), (40, 549453), (60, 366302), (120, 183151)]