21723306920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{725077}}^1$

素因数の和:725202

約数の個数: 64

約数和(自身を含む): 56382065280

約数和(自身を除く): 34658758360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2140, 2996, 3745, 4280, 5992, 7490, 14980, 29960, 725077, 1450154, 2900308, 3625385, 5075539, 5800616, 7250770, 10151078, 14501540, 20302156, 25377695, 29003080, 40604312, 50755390, 77583239, 101510780, 155166478, 203021560, 310332956, 387916195, 543082673, 620665912, 775832390, 1086165346, 1551664780, 2172330692, 2715413365, 3103329560, 4344661384, 5430826730, 10861653460, 21723306920]

約数ペア:

[(1, 21723306920), (2, 10861653460), (4, 5430826730), (5, 4344661384), (7, 3103329560), (8, 2715413365), (10, 2172330692), (14, 1551664780), (20, 1086165346), (28, 775832390), (35, 620665912), (40, 543082673), (56, 387916195), (70, 310332956), (107, 203021560), (140, 155166478), (214, 101510780), (280, 77583239), (428, 50755390), (535, 40604312), (749, 29003080), (856, 25377695), (1070, 20302156), (1498, 14501540), (2140, 10151078), (2996, 7250770), (3745, 5800616), (4280, 5075539), (5992, 3625385), (7490, 2900308), (14980, 1450154), (29960, 725077)]