21907592

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 49870080

約数和(自身を除く): 27962488

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 73, 92, 146, 161, 184, 233, 292, 322, 466, 511, 584, 644, 932, 1022, 1288, 1631, 1679, 1864, 2044, 3262, 3358, 4088, 5359, 6524, 6716, 10718, 11753, 13048, 13432, 17009, 21436, 23506, 34018, 37513, 42872, 47012, 68036, 75026, 94024, 119063, 136072, 150052, 238126, 300104, 391207, 476252, 782414, 952504, 1564828, 2738449, 3129656, 5476898, 10953796, 21907592]

約数ペア:

[(1, 21907592), (2, 10953796), (4, 5476898), (7, 3129656), (8, 2738449), (14, 1564828), (23, 952504), (28, 782414), (46, 476252), (56, 391207), (73, 300104), (92, 238126), (146, 150052), (161, 136072), (184, 119063), (233, 94024), (292, 75026), (322, 68036), (466, 47012), (511, 42872), (584, 37513), (644, 34018), (932, 23506), (1022, 21436), (1288, 17009), (1631, 13432), (1679, 13048), (1864, 11753), (2044, 10718), (3262, 6716), (3358, 6524), (4088, 5359)]