21838488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 63448320

約数和(自身を除く): 41609832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 168, 183, 244, 366, 427, 488, 732, 854, 1281, 1464, 1708, 2131, 2562, 3416, 4262, 5124, 6393, 8524, 10248, 12786, 14917, 17048, 25572, 29834, 44751, 51144, 59668, 89502, 119336, 129991, 179004, 259982, 358008, 389973, 519964, 779946, 909937, 1039928, 1559892, 1819874, 2729811, 3119784, 3639748, 5459622, 7279496, 10919244, 21838488]

約数ペア:

[(1, 21838488), (2, 10919244), (3, 7279496), (4, 5459622), (6, 3639748), (7, 3119784), (8, 2729811), (12, 1819874), (14, 1559892), (21, 1039928), (24, 909937), (28, 779946), (42, 519964), (56, 389973), (61, 358008), (84, 259982), (122, 179004), (168, 129991), (183, 119336), (244, 89502), (366, 59668), (427, 51144), (488, 44751), (732, 29834), (854, 25572), (1281, 17048), (1464, 14917), (1708, 12786), (2131, 10248), (2562, 8524), (3416, 6393), (4262, 5124)]