21676967

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 25603200

約数和(自身を除く): 3926233

約数列:

[1, 13, 19, 31, 149, 247, 361, 403, 589, 1937, 2831, 4619, 4693, 7657, 11191, 36803, 53789, 60047, 87761, 145483, 699257, 1140893, 1667459, 21676967]

約数ペア:

[(1, 21676967), (13, 1667459), (19, 1140893), (31, 699257), (149, 145483), (247, 87761), (361, 60047), (403, 53789), (589, 36803), (1937, 11191), (2831, 7657), (4619, 4693)]