21066002919

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{5449}}^1$

素因数の和:5832

約数の個数: 48

約数和(自身を含む): 33137395200

約数和(自身を除く): 12071392281

約数列:

[1, 3, 9, 13, 39, 117, 173, 191, 519, 573, 1557, 1719, 2249, 2483, 5449, 6747, 7449, 16347, 20241, 22347, 33043, 49041, 70837, 99129, 212511, 297387, 429559, 637533, 942677, 1040759, 1288677, 2828031, 3122277, 3866031, 8484093, 9366831, 12254801, 13529867, 36764403, 40589601, 110293209, 121768803, 180051307, 540153921, 1620461763, 2340666991, 7022000973, 21066002919]

約数ペア:

[(1, 21066002919), (3, 7022000973), (9, 2340666991), (13, 1620461763), (39, 540153921), (117, 180051307), (173, 121768803), (191, 110293209), (519, 40589601), (573, 36764403), (1557, 13529867), (1719, 12254801), (2249, 9366831), (2483, 8484093), (5449, 3866031), (6747, 3122277), (7449, 2828031), (16347, 1288677), (20241, 1040759), (22347, 942677), (33043, 637533), (49041, 429559), (70837, 297387), (99129, 212511)]