21666480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 76066560

約数和(自身を除く): 54400080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 29, 30, 33, 40, 44, 48, 55, 58, 60, 66, 80, 87, 88, 110, 116, 120, 132, 145, 165, 174, 176, 220, 232, 240, 264, 283, 290, 319, 330, 348, 435, 440, 464, 528, 566, 580, 638, 660, 696, 849, 870, 880, 957, 1132, 1160, 1276, 1320, 1392, 1415, 1595, 1698, 1740, 1914, 2264, 2320, 2552, 2640, 2830, 3113, 3190, 3396, 3480, 3828, 4245, 4528, 4785, 5104, 5660, 6226, 6380, 6792, 6960, 7656, 8207, 8490, 9339, 9570, 11320, 12452, 12760, 13584, 15312, 15565, 16414, 16980, 18678, 19140, 22640, 24621, 24904, 25520, 31130, 32828, 33960, 37356, 38280, 41035, 46695, 49242, 49808, 62260, 65656, 67920, 74712, 76560, 82070, 90277, 93390, 98484, 123105, 124520, 131312, 149424, 164140, 180554, 186780, 196968, 246210, 249040, 270831, 328280, 361108, 373560, 393936, 451385, 492420, 541662, 656560, 722216, 747120, 902770, 984840, 1083324, 1354155, 1444432, 1805540, 1969680, 2166648, 2708310, 3611080, 4333296, 5416620, 7222160, 10833240, 21666480]

約数ペア:

[(1, 21666480), (2, 10833240), (3, 7222160), (4, 5416620), (5, 4333296), (6, 3611080), (8, 2708310), (10, 2166648), (11, 1969680), (12, 1805540), (15, 1444432), (16, 1354155), (20, 1083324), (22, 984840), (24, 902770), (29, 747120), (30, 722216), (33, 656560), (40, 541662), (44, 492420), (48, 451385), (55, 393936), (58, 373560), (60, 361108), (66, 328280), (80, 270831), (87, 249040), (88, 246210), (110, 196968), (116, 186780), (120, 180554), (132, 164140), (145, 149424), (165, 131312), (174, 124520), (176, 123105), (220, 98484), (232, 93390), (240, 90277), (264, 82070), (283, 76560), (290, 74712), (319, 67920), (330, 65656), (348, 62260), (435, 49808), (440, 49242), (464, 46695), (528, 41035), (566, 38280), (580, 37356), (638, 33960), (660, 32828), (696, 31130), (849, 25520), (870, 24904), (880, 24621), (957, 22640), (1132, 19140), (1160, 18678), (1276, 16980), (1320, 16414), (1392, 15565), (1415, 15312), (1595, 13584), (1698, 12760), (1740, 12452), (1914, 11320), (2264, 9570), (2320, 9339), (2552, 8490), (2640, 8207), (2830, 7656), (3113, 6960), (3190, 6792), (3396, 6380), (3480, 6226), (3828, 5660), (4245, 5104), (4528, 4785)]