21498686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 16102594

約数列:

[1, 2, 11, 22, 29, 31, 58, 62, 319, 341, 638, 682, 899, 1087, 1798, 2174, 9889, 11957, 19778, 23914, 31523, 33697, 63046, 67394, 346753, 370667, 693506, 741334, 977213, 1954426, 10749343, 21498686]

約数ペア:

[(1, 21498686), (2, 10749343), (11, 1954426), (22, 977213), (29, 741334), (31, 693506), (58, 370667), (62, 346753), (319, 67394), (341, 63046), (638, 33697), (682, 31523), (899, 23914), (1087, 19778), (1798, 11957), (2174, 9889)]