21820008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5647}}^1$

素因数の和:5686

約数の個数: 64

約数和(自身を含む): 65064960

約数和(自身を除く): 43244952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 5647, 11294, 16941, 22588, 33882, 39529, 45176, 67764, 79058, 118587, 129881, 135528, 158116, 237174, 259762, 316232, 389643, 474348, 519524, 779286, 909167, 948696, 1039048, 1558572, 1818334, 2727501, 3117144, 3636668, 5455002, 7273336, 10910004, 21820008]

約数ペア:

[(1, 21820008), (2, 10910004), (3, 7273336), (4, 5455002), (6, 3636668), (7, 3117144), (8, 2727501), (12, 1818334), (14, 1558572), (21, 1039048), (23, 948696), (24, 909167), (28, 779286), (42, 519524), (46, 474348), (56, 389643), (69, 316232), (84, 259762), (92, 237174), (138, 158116), (161, 135528), (168, 129881), (184, 118587), (276, 79058), (322, 67764), (483, 45176), (552, 39529), (644, 33882), (966, 22588), (1288, 16941), (1932, 11294), (3864, 5647)]