21195752

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 41558400

約数和(自身を除く): 20362648

約数列:

[1, 2, 4, 8, 29, 58, 103, 116, 206, 232, 412, 824, 887, 1774, 2987, 3548, 5974, 7096, 11948, 23896, 25723, 51446, 91361, 102892, 182722, 205784, 365444, 730888, 2649469, 5298938, 10597876, 21195752]

約数ペア:

[(1, 21195752), (2, 10597876), (4, 5298938), (8, 2649469), (29, 730888), (58, 365444), (103, 205784), (116, 182722), (206, 102892), (232, 91361), (412, 51446), (824, 25723), (887, 23896), (1774, 11948), (2987, 7096), (3548, 5974)]