21598680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179989}}^1$

素因数の和:180003

約数の個数: 32

約数和(自身を含む): 64796400

約数和(自身を除く): 43197720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179989, 359978, 539967, 719956, 899945, 1079934, 1439912, 1799890, 2159868, 2699835, 3599780, 4319736, 5399670, 7199560, 10799340, 21598680]

約数ペア:

[(1, 21598680), (2, 10799340), (3, 7199560), (4, 5399670), (5, 4319736), (6, 3599780), (8, 2699835), (10, 2159868), (12, 1799890), (15, 1439912), (20, 1079934), (24, 899945), (30, 719956), (40, 539967), (60, 359978), (120, 179989)]