21449040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89371}}^1$

素因数の和:89387

約数の個数: 40

約数和(自身を含む): 66492768

約数和(自身を除く): 45043728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89371, 178742, 268113, 357484, 446855, 536226, 714968, 893710, 1072452, 1340565, 1429936, 1787420, 2144904, 2681130, 3574840, 4289808, 5362260, 7149680, 10724520, 21449040]

約数ペア:

[(1, 21449040), (2, 10724520), (3, 7149680), (4, 5362260), (5, 4289808), (6, 3574840), (8, 2681130), (10, 2144904), (12, 1787420), (15, 1429936), (16, 1340565), (20, 1072452), (24, 893710), (30, 714968), (40, 536226), (48, 446855), (60, 357484), (80, 268113), (120, 178742), (240, 89371)]