21547920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89783}}^1$

素因数の和:89799

約数の個数: 40

約数和(自身を含む): 66799296

約数和(自身を除く): 45251376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89783, 179566, 269349, 359132, 448915, 538698, 718264, 897830, 1077396, 1346745, 1436528, 1795660, 2154792, 2693490, 3591320, 4309584, 5386980, 7182640, 10773960, 21547920]

約数ペア:

[(1, 21547920), (2, 10773960), (3, 7182640), (4, 5386980), (5, 4309584), (6, 3591320), (8, 2693490), (10, 2154792), (12, 1795660), (15, 1436528), (16, 1346745), (20, 1077396), (24, 897830), (30, 718264), (40, 538698), (48, 448915), (60, 359132), (80, 269349), (120, 179566), (240, 89783)]