21376560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89069}}^1$

素因数の和:89085

約数の個数: 40

約数和(自身を含む): 66268080

約数和(自身を除く): 44891520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89069, 178138, 267207, 356276, 445345, 534414, 712552, 890690, 1068828, 1336035, 1425104, 1781380, 2137656, 2672070, 3562760, 4275312, 5344140, 7125520, 10688280, 21376560]

約数ペア:

[(1, 21376560), (2, 10688280), (3, 7125520), (4, 5344140), (5, 4275312), (6, 3562760), (8, 2672070), (10, 2137656), (12, 1781380), (15, 1425104), (16, 1336035), (20, 1068828), (24, 890690), (30, 712552), (40, 534414), (48, 445345), (60, 356276), (80, 267207), (120, 178138), (240, 89069)]