21260580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32213}}^1$

素因数の和:32236

約数の個数: 48

約数和(自身を含む): 64943424

約数和(自身を除く): 43682844

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32213, 64426, 96639, 128852, 161065, 193278, 322130, 354343, 386556, 483195, 644260, 708686, 966390, 1063029, 1417372, 1771715, 1932780, 2126058, 3543430, 4252116, 5315145, 7086860, 10630290, 21260580]

約数ペア:

[(1, 21260580), (2, 10630290), (3, 7086860), (4, 5315145), (5, 4252116), (6, 3543430), (10, 2126058), (11, 1932780), (12, 1771715), (15, 1417372), (20, 1063029), (22, 966390), (30, 708686), (33, 644260), (44, 483195), (55, 386556), (60, 354343), (66, 322130), (110, 193278), (132, 161065), (165, 128852), (220, 96639), (330, 64426), (660, 32213)]