21617130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{720571}}^1$

素因数の和:720581

約数の個数: 16

約数和(自身を含む): 51881184

約数和(自身を除く): 30264054

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 720571, 1441142, 2161713, 3602855, 4323426, 7205710, 10808565, 21617130]

約数ペア:

[(1, 21617130), (2, 10808565), (3, 7205710), (5, 4323426), (6, 3602855), (10, 2161713), (15, 1441142), (30, 720571)]