21371031

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4073}}^1$

素因数の和:4143

約数の個数: 24

約数和(自身を含む): 34319376

約数和(自身を除く): 12948345

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 4073, 5247, 12219, 36657, 44803, 134409, 215869, 403227, 647607, 1942821, 2374559, 7123677, 21371031]

約数ペア:

[(1, 21371031), (3, 7123677), (9, 2374559), (11, 1942821), (33, 647607), (53, 403227), (99, 215869), (159, 134409), (477, 44803), (583, 36657), (1749, 12219), (4073, 5247)]