21023640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5309}}^1$

素因数の和:5337

約数の個数: 96

約数和(自身を含む): 74552400

約数和(自身を除く): 53528760

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, 5309, 10618, 15927, 21236, 26545, 31854, 42472, 47781, 53090, 58399, 63708, 79635, 95562, 106180, 116798, 127416, 159270, 175197, 191124, 212360, 233596, 238905, 291995, 318540, 350394, 382248, 467192, 477810, 525591, 583990, 637080, 700788, 875985, 955620, 1051182, 1167980, 1401576, 1751970, 1911240, 2102364, 2335960, 2627955, 3503940, 4204728, 5255910, 7007880, 10511820, 21023640]

約数ペア:

[(1, 21023640), (2, 10511820), (3, 7007880), (4, 5255910), (5, 4204728), (6, 3503940), (8, 2627955), (9, 2335960), (10, 2102364), (11, 1911240), (12, 1751970), (15, 1401576), (18, 1167980), (20, 1051182), (22, 955620), (24, 875985), (30, 700788), (33, 637080), (36, 583990), (40, 525591), (44, 477810), (45, 467192), (55, 382248), (60, 350394), (66, 318540), (72, 291995), (88, 238905), (90, 233596), (99, 212360), (110, 191124), (120, 175197), (132, 159270), (165, 127416), (180, 116798), (198, 106180), (220, 95562), (264, 79635), (330, 63708), (360, 58399), (396, 53090), (440, 47781), (495, 42472), (660, 31854), (792, 26545), (990, 21236), (1320, 15927), (1980, 10618), (3960, 5309)]