21559920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89833}}^1$

素因数の和:89849

約数の個数: 40

約数和(自身を含む): 66836496

約数和(自身を除く): 45276576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89833, 179666, 269499, 359332, 449165, 538998, 718664, 898330, 1077996, 1347495, 1437328, 1796660, 2155992, 2694990, 3593320, 4311984, 5389980, 7186640, 10779960, 21559920]

約数ペア:

[(1, 21559920), (2, 10779960), (3, 7186640), (4, 5389980), (5, 4311984), (6, 3593320), (8, 2694990), (10, 2155992), (12, 1796660), (15, 1437328), (16, 1347495), (20, 1077996), (24, 898330), (30, 718664), (40, 538998), (48, 449165), (60, 359332), (80, 269499), (120, 179666), (240, 89833)]