21117382

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 38029824

約数和(自身を除く): 16912442

約数列:

[1, 2, 11, 13, 22, 26, 47, 94, 143, 286, 517, 611, 1034, 1222, 1571, 3142, 6721, 13442, 17281, 20423, 34562, 40846, 73837, 147674, 224653, 449306, 812207, 959881, 1624414, 1919762, 10558691, 21117382]

約数ペア:

[(1, 21117382), (2, 10558691), (11, 1919762), (13, 1624414), (22, 959881), (26, 812207), (47, 449306), (94, 224653), (143, 147674), (286, 73837), (517, 40846), (611, 34562), (1034, 20423), (1222, 17281), (1571, 13442), (3142, 6721)]