21767108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 43956864

約数和(自身を除く): 22189756

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 137, 157, 253, 274, 314, 506, 548, 628, 1012, 1507, 1727, 3014, 3151, 3454, 3611, 6028, 6302, 6908, 7222, 12604, 14444, 21509, 34661, 39721, 43018, 69322, 79442, 86036, 138644, 158884, 236599, 473198, 494707, 946396, 989414, 1978828, 5441777, 10883554, 21767108]

約数ペア:

[(1, 21767108), (2, 10883554), (4, 5441777), (11, 1978828), (22, 989414), (23, 946396), (44, 494707), (46, 473198), (92, 236599), (137, 158884), (157, 138644), (253, 86036), (274, 79442), (314, 69322), (506, 43018), (548, 39721), (628, 34661), (1012, 21509), (1507, 14444), (1727, 12604), (3014, 7222), (3151, 6908), (3454, 6302), (3611, 6028)]