21102760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{75367}}^1$

素因数の和:75385

約数の個数: 32

約数和(自身を含む): 54264960

約数和(自身を除く): 33162200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 75367, 150734, 301468, 376835, 527569, 602936, 753670, 1055138, 1507340, 2110276, 2637845, 3014680, 4220552, 5275690, 10551380, 21102760]

約数ペア:

[(1, 21102760), (2, 10551380), (4, 5275690), (5, 4220552), (7, 3014680), (8, 2637845), (10, 2110276), (14, 1507340), (20, 1055138), (28, 753670), (35, 602936), (40, 527569), (56, 376835), (70, 301468), (140, 150734), (280, 75367)]