21197040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88321}}^1$

素因数の和:88337

約数の個数: 40

約数和(自身を含む): 65711568

約数和(自身を除く): 44514528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88321, 176642, 264963, 353284, 441605, 529926, 706568, 883210, 1059852, 1324815, 1413136, 1766420, 2119704, 2649630, 3532840, 4239408, 5299260, 7065680, 10598520, 21197040]

約数ペア:

[(1, 21197040), (2, 10598520), (3, 7065680), (4, 5299260), (5, 4239408), (6, 3532840), (8, 2649630), (10, 2119704), (12, 1766420), (15, 1413136), (16, 1324815), (20, 1059852), (24, 883210), (30, 706568), (40, 529926), (48, 441605), (60, 353284), (80, 264963), (120, 176642), (240, 88321)]