21409008

素因数分解:

$2^4\times 3^1\times {\mathrm{577}}^1\times {\mathrm{773}}^1$

素因数の和:1361

約数の個数: 40

約数和(自身を含む): 55474128

約数和(自身を除く): 34065120

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 577, 773, 1154, 1546, 1731, 2308, 2319, 3092, 3462, 4616, 4638, 6184, 6924, 9232, 9276, 12368, 13848, 18552, 27696, 37104, 446021, 892042, 1338063, 1784084, 2676126, 3568168, 5352252, 7136336, 10704504, 21409008]

約数ペア:

[(1, 21409008), (2, 10704504), (3, 7136336), (4, 5352252), (6, 3568168), (8, 2676126), (12, 1784084), (16, 1338063), (24, 892042), (48, 446021), (577, 37104), (773, 27696), (1154, 18552), (1546, 13848), (1731, 12368), (2308, 9276), (2319, 9232), (3092, 6924), (3462, 6184), (4616, 4638)]