21721336

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29837}}^1$

素因数の和:29863

約数の個数: 32

約数和(自身を含む): 50127840

約数和(自身を除く): 28406504

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29837, 59674, 119348, 208859, 238696, 387881, 417718, 775762, 835436, 1551524, 1670872, 2715167, 3103048, 5430334, 10860668, 21721336]

約数ペア:

[(1, 21721336), (2, 10860668), (4, 5430334), (7, 3103048), (8, 2715167), (13, 1670872), (14, 1551524), (26, 835436), (28, 775762), (52, 417718), (56, 387881), (91, 238696), (104, 208859), (182, 119348), (364, 59674), (728, 29837)]