21400834

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1993}}^1$

素因数の和:2074

約数の個数: 32

約数和(自身を含む): 40199040

約数和(自身を除く): 18798206

約数列:

[1, 2, 7, 13, 14, 26, 59, 91, 118, 182, 413, 767, 826, 1534, 1993, 3986, 5369, 10738, 13951, 25909, 27902, 51818, 117587, 181363, 235174, 362726, 823109, 1528631, 1646218, 3057262, 10700417, 21400834]

約数ペア:

[(1, 21400834), (2, 10700417), (7, 3057262), (13, 1646218), (14, 1528631), (26, 823109), (59, 362726), (91, 235174), (118, 181363), (182, 117587), (413, 51818), (767, 27902), (826, 25909), (1534, 13951), (1993, 10738), (3986, 5369)]