21988008

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43627}}^1$

素因数の和:43646

約数の個数: 48

約数和(自身を含む): 68059680

約数和(自身を除く): 46071672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 43627, 87254, 130881, 174508, 261762, 305389, 349016, 392643, 523524, 610778, 785286, 916167, 1047048, 1221556, 1570572, 1832334, 2443112, 2748501, 3141144, 3664668, 5497002, 7329336, 10994004, 21988008]

約数ペア:

[(1, 21988008), (2, 10994004), (3, 7329336), (4, 5497002), (6, 3664668), (7, 3141144), (8, 2748501), (9, 2443112), (12, 1832334), (14, 1570572), (18, 1221556), (21, 1047048), (24, 916167), (28, 785286), (36, 610778), (42, 523524), (56, 392643), (63, 349016), (72, 305389), (84, 261762), (126, 174508), (168, 130881), (252, 87254), (504, 43627)]