21084360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15973}}^1$

素因数の和:15998

約数の個数: 64

約数和(自身を含む): 69007680

約数和(自身を除く): 47923320

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, 132, 165, 220, 264, 330, 440, 660, 1320, 15973, 31946, 47919, 63892, 79865, 95838, 127784, 159730, 175703, 191676, 239595, 319460, 351406, 383352, 479190, 527109, 638920, 702812, 878515, 958380, 1054218, 1405624, 1757030, 1916760, 2108436, 2635545, 3514060, 4216872, 5271090, 7028120, 10542180, 21084360]

約数ペア:

[(1, 21084360), (2, 10542180), (3, 7028120), (4, 5271090), (5, 4216872), (6, 3514060), (8, 2635545), (10, 2108436), (11, 1916760), (12, 1757030), (15, 1405624), (20, 1054218), (22, 958380), (24, 878515), (30, 702812), (33, 638920), (40, 527109), (44, 479190), (55, 383352), (60, 351406), (66, 319460), (88, 239595), (110, 191676), (120, 175703), (132, 159730), (165, 127784), (220, 95838), (264, 79865), (330, 63892), (440, 47919), (660, 31946), (1320, 15973)]