21806310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1103}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 52462080

約数和(自身を除く): 30655770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 659, 1103, 1318, 1977, 2206, 3295, 3309, 3954, 5515, 6590, 6618, 9885, 11030, 16545, 19770, 33090, 726877, 1453754, 2180631, 3634385, 4361262, 7268770, 10903155, 21806310]

約数ペア:

[(1, 21806310), (2, 10903155), (3, 7268770), (5, 4361262), (6, 3634385), (10, 2180631), (15, 1453754), (30, 726877), (659, 33090), (1103, 19770), (1318, 16545), (1977, 11030), (2206, 9885), (3295, 6618), (3309, 6590), (3954, 5515)]