21086944

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 44392320

約数和(自身を除く): 23305376

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 116, 124, 232, 248, 464, 496, 733, 899, 928, 992, 1466, 1798, 2932, 3596, 5864, 7192, 11728, 14384, 21257, 22723, 23456, 28768, 42514, 45446, 85028, 90892, 170056, 181784, 340112, 363568, 658967, 680224, 727136, 1317934, 2635868, 5271736, 10543472, 21086944]

約数ペア:

[(1, 21086944), (2, 10543472), (4, 5271736), (8, 2635868), (16, 1317934), (29, 727136), (31, 680224), (32, 658967), (58, 363568), (62, 340112), (116, 181784), (124, 170056), (232, 90892), (248, 85028), (464, 45446), (496, 42514), (733, 28768), (899, 23456), (928, 22723), (992, 21257), (1466, 14384), (1798, 11728), (2932, 7192), (3596, 5864)]