21595290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1123}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 51955776

約数和(自身を除く): 30360486

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 1123, 1282, 1923, 2246, 3205, 3369, 3846, 5615, 6410, 6738, 9615, 11230, 16845, 19230, 33690, 719843, 1439686, 2159529, 3599215, 4319058, 7198430, 10797645, 21595290]

約数ペア:

[(1, 21595290), (2, 10797645), (3, 7198430), (5, 4319058), (6, 3599215), (10, 2159529), (15, 1439686), (30, 719843), (641, 33690), (1123, 19230), (1282, 16845), (1923, 11230), (2246, 9615), (3205, 6738), (3369, 6410), (3846, 5615)]