21079080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5323}}^1$

素因数の和:5351

約数の個数: 96

約数和(自身を含む): 74748960

約数和(自身を除く): 53669880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5323, 10646, 15969, 21292, 26615, 31938, 42584, 47907, 53230, 58553, 63876, 79845, 95814, 106460, 117106, 127752, 159690, 175659, 191628, 212920, 234212, 239535, 292765, 319380, 351318, 383256, 468424, 479070, 526977, 585530, 638760, 702636, 878295, 958140, 1053954, 1171060, 1405272, 1756590, 1916280, 2107908, 2342120, 2634885, 3513180, 4215816, 5269770, 7026360, 10539540, 21079080]

約数ペア:

[(1, 21079080), (2, 10539540), (3, 7026360), (4, 5269770), (5, 4215816), (6, 3513180), (8, 2634885), (9, 2342120), (10, 2107908), (11, 1916280), (12, 1756590), (15, 1405272), (18, 1171060), (20, 1053954), (22, 958140), (24, 878295), (30, 702636), (33, 638760), (36, 585530), (40, 526977), (44, 479070), (45, 468424), (55, 383256), (60, 351318), (66, 319380), (72, 292765), (88, 239535), (90, 234212), (99, 212920), (110, 191628), (120, 175659), (132, 159690), (165, 127752), (180, 117106), (198, 106460), (220, 95814), (264, 79845), (330, 63876), (360, 58553), (396, 53230), (440, 47907), (495, 42584), (660, 31938), (792, 26615), (990, 21292), (1320, 15969), (1980, 10646), (3960, 5323)]