21265590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1531}}^1$

素因数の和:2004

約数の個数: 32

約数和(自身を含む): 51181056

約数和(自身を除く): 29915466

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 463, 926, 1389, 1531, 2315, 2778, 3062, 4593, 4630, 6945, 7655, 9186, 13890, 15310, 22965, 45930, 708853, 1417706, 2126559, 3544265, 4253118, 7088530, 10632795, 21265590]

約数ペア:

[(1, 21265590), (2, 10632795), (3, 7088530), (5, 4253118), (6, 3544265), (10, 2126559), (15, 1417706), (30, 708853), (463, 45930), (926, 22965), (1389, 15310), (1531, 13890), (2315, 9186), (2778, 7655), (3062, 6945), (4593, 4630)]