21000638856

素因数分解:

$2^3\times 3^1\times {\mathrm{4229}}^1\times {\mathrm{206911}}^1$

素因数の和:211149

約数の個数: 32

約数和(自身を含む): 52514265600

約数和(自身を除く): 31513626744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 4229, 8458, 12687, 16916, 25374, 33832, 50748, 101496, 206911, 413822, 620733, 827644, 1241466, 1655288, 2482932, 4965864, 875026619, 1750053238, 2625079857, 3500106476, 5250159714, 7000212952, 10500319428, 21000638856]

約数ペア:

[(1, 21000638856), (2, 10500319428), (3, 7000212952), (4, 5250159714), (6, 3500106476), (8, 2625079857), (12, 1750053238), (24, 875026619), (4229, 4965864), (8458, 2482932), (12687, 1655288), (16916, 1241466), (25374, 827644), (33832, 620733), (50748, 413822), (101496, 206911)]