21590448

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 61591296

約数和(自身を除く): 40000848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 103, 132, 176, 206, 264, 309, 397, 412, 528, 618, 794, 824, 1133, 1191, 1236, 1588, 1648, 2266, 2382, 2472, 3176, 3399, 4367, 4532, 4764, 4944, 6352, 6798, 8734, 9064, 9528, 13101, 13596, 17468, 18128, 19056, 26202, 27192, 34936, 40891, 52404, 54384, 69872, 81782, 104808, 122673, 163564, 209616, 245346, 327128, 449801, 490692, 654256, 899602, 981384, 1349403, 1799204, 1962768, 2698806, 3598408, 5397612, 7196816, 10795224, 21590448]

約数ペア:

[(1, 21590448), (2, 10795224), (3, 7196816), (4, 5397612), (6, 3598408), (8, 2698806), (11, 1962768), (12, 1799204), (16, 1349403), (22, 981384), (24, 899602), (33, 654256), (44, 490692), (48, 449801), (66, 327128), (88, 245346), (103, 209616), (132, 163564), (176, 122673), (206, 104808), (264, 81782), (309, 69872), (397, 54384), (412, 52404), (528, 40891), (618, 34936), (794, 27192), (824, 26202), (1133, 19056), (1191, 18128), (1236, 17468), (1588, 13596), (1648, 13101), (2266, 9528), (2382, 9064), (2472, 8734), (3176, 6798), (3399, 6352), (4367, 4944), (4532, 4764)]