21243112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{853}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 43656480

約数和(自身を除く): 22413368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 283, 566, 853, 1132, 1706, 2264, 3113, 3412, 6226, 6824, 9383, 12452, 18766, 24904, 37532, 75064, 241399, 482798, 965596, 1931192, 2655389, 5310778, 10621556, 21243112]

約数ペア:

[(1, 21243112), (2, 10621556), (4, 5310778), (8, 2655389), (11, 1931192), (22, 965596), (44, 482798), (88, 241399), (283, 75064), (566, 37532), (853, 24904), (1132, 18766), (1706, 12452), (2264, 9383), (3113, 6824), (3412, 6226)]