21718704

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1747}}^1$

素因数の和:1802

約数の個数: 80

約数和(自身を含む): 65892608

約数和(自身を除く): 44173904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1747, 1776, 2072, 3108, 3494, 4144, 5241, 6216, 6988, 10482, 12229, 12432, 13976, 20964, 24458, 27952, 36687, 41928, 48916, 64639, 73374, 83856, 97832, 129278, 146748, 193917, 195664, 258556, 293496, 387834, 452473, 517112, 586992, 775668, 904946, 1034224, 1357419, 1551336, 1809892, 2714838, 3102672, 3619784, 5429676, 7239568, 10859352, 21718704]

約数ペア:

[(1, 21718704), (2, 10859352), (3, 7239568), (4, 5429676), (6, 3619784), (7, 3102672), (8, 2714838), (12, 1809892), (14, 1551336), (16, 1357419), (21, 1034224), (24, 904946), (28, 775668), (37, 586992), (42, 517112), (48, 452473), (56, 387834), (74, 293496), (84, 258556), (111, 195664), (112, 193917), (148, 146748), (168, 129278), (222, 97832), (259, 83856), (296, 73374), (336, 64639), (444, 48916), (518, 41928), (592, 36687), (777, 27952), (888, 24458), (1036, 20964), (1554, 13976), (1747, 12432), (1776, 12229), (2072, 10482), (3108, 6988), (3494, 6216), (4144, 5241)]