21503187480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{516407}}^1$

素因数の和:516768

約数の個数: 64

約数和(自身を含む): 64695594240

約数和(自身を除く): 43192406760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 347, 694, 1041, 1388, 1735, 2082, 2776, 3470, 4164, 5205, 6940, 8328, 10410, 13880, 20820, 41640, 516407, 1032814, 1549221, 2065628, 2582035, 3098442, 4131256, 5164070, 6196884, 7746105, 10328140, 12393768, 15492210, 20656280, 30984420, 61968840, 179193229, 358386458, 537579687, 716772916, 895966145, 1075159374, 1433545832, 1791932290, 2150318748, 2687898435, 3583864580, 4300637496, 5375796870, 7167729160, 10751593740, 21503187480]

約数ペア:

[(1, 21503187480), (2, 10751593740), (3, 7167729160), (4, 5375796870), (5, 4300637496), (6, 3583864580), (8, 2687898435), (10, 2150318748), (12, 1791932290), (15, 1433545832), (20, 1075159374), (24, 895966145), (30, 716772916), (40, 537579687), (60, 358386458), (120, 179193229), (347, 61968840), (694, 30984420), (1041, 20656280), (1388, 15492210), (1735, 12393768), (2082, 10328140), (2776, 7746105), (3470, 6196884), (4164, 5164070), (5205, 4131256), (6940, 3098442), (8328, 2582035), (10410, 2065628), (13880, 1549221), (20820, 1032814), (41640, 516407)]