21894626

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:546

約数の個数: 24

約数和(自身を含む): 35847504

約数和(自身を除く): 13952878

約数列:

[1, 2, 13, 26, 169, 211, 307, 338, 422, 614, 2743, 3991, 5486, 7982, 35659, 51883, 64777, 71318, 103766, 129554, 842101, 1684202, 10947313, 21894626]

約数ペア:

[(1, 21894626), (2, 10947313), (13, 1684202), (26, 842101), (169, 129554), (211, 103766), (307, 71318), (338, 64777), (422, 51883), (614, 35659), (2743, 7982), (3991, 5486)]