21373740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39581}}^1$

素因数の和:39599

約数の個数: 48

約数和(自身を含む): 66497760

約数和(自身を除く): 45124020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39581, 79162, 118743, 158324, 197905, 237486, 356229, 395810, 474972, 593715, 712458, 791620, 1068687, 1187430, 1424916, 1781145, 2137374, 2374860, 3562290, 4274748, 5343435, 7124580, 10686870, 21373740]

約数ペア:

[(1, 21373740), (2, 10686870), (3, 7124580), (4, 5343435), (5, 4274748), (6, 3562290), (9, 2374860), (10, 2137374), (12, 1781145), (15, 1424916), (18, 1187430), (20, 1068687), (27, 791620), (30, 712458), (36, 593715), (45, 474972), (54, 395810), (60, 356229), (90, 237486), (108, 197905), (135, 158324), (180, 118743), (270, 79162), (540, 39581)]