21678360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1493}}^1$

素因数の和:1529

約数の個数: 96

約数和(自身を含む): 71532720

約数和(自身を除く): 49854360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1452, 1493, 1815, 2420, 2904, 2986, 3630, 4479, 4840, 5972, 7260, 7465, 8958, 11944, 14520, 14930, 16423, 17916, 22395, 29860, 32846, 35832, 44790, 49269, 59720, 65692, 82115, 89580, 98538, 131384, 164230, 179160, 180653, 197076, 246345, 328460, 361306, 394152, 492690, 541959, 656920, 722612, 903265, 985380, 1083918, 1445224, 1806530, 1970760, 2167836, 2709795, 3613060, 4335672, 5419590, 7226120, 10839180, 21678360]

約数ペア:

[(1, 21678360), (2, 10839180), (3, 7226120), (4, 5419590), (5, 4335672), (6, 3613060), (8, 2709795), (10, 2167836), (11, 1970760), (12, 1806530), (15, 1445224), (20, 1083918), (22, 985380), (24, 903265), (30, 722612), (33, 656920), (40, 541959), (44, 492690), (55, 394152), (60, 361306), (66, 328460), (88, 246345), (110, 197076), (120, 180653), (121, 179160), (132, 164230), (165, 131384), (220, 98538), (242, 89580), (264, 82115), (330, 65692), (363, 59720), (440, 49269), (484, 44790), (605, 35832), (660, 32846), (726, 29860), (968, 22395), (1210, 17916), (1320, 16423), (1452, 14930), (1493, 14520), (1815, 11944), (2420, 8958), (2904, 7465), (2986, 7260), (3630, 5972), (4479, 4840)]