21918413664

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10872229}}^1$

素因数の和:10872252

約数の個数: 72

約数和(自身を含む): 71234850960

約数和(自身を除く): 49316437296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10872229, 21744458, 32616687, 43488916, 65233374, 76105603, 86977832, 97850061, 130466748, 152211206, 173955664, 195700122, 228316809, 260933496, 304422412, 347911328, 391400244, 456633618, 521866992, 608844824, 684950427, 782800488, 913267236, 1043733984, 1217689648, 1369900854, 1565600976, 1826534472, 2435379296, 2739801708, 3131201952, 3653068944, 5479603416, 7306137888, 10959206832, 21918413664]

約数ペア:

[(1, 21918413664), (2, 10959206832), (3, 7306137888), (4, 5479603416), (6, 3653068944), (7, 3131201952), (8, 2739801708), (9, 2435379296), (12, 1826534472), (14, 1565600976), (16, 1369900854), (18, 1217689648), (21, 1043733984), (24, 913267236), (28, 782800488), (32, 684950427), (36, 608844824), (42, 521866992), (48, 456633618), (56, 391400244), (63, 347911328), (72, 304422412), (84, 260933496), (96, 228316809), (112, 195700122), (126, 173955664), (144, 152211206), (168, 130466748), (224, 97850061), (252, 86977832), (288, 76105603), (336, 65233374), (504, 43488916), (672, 32616687), (1008, 21744458), (2016, 10872229)]