21003480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1423}}^1$

素因数の和:1481

約数の個数: 96

約数和(自身を含む): 69975360

約数和(自身を除く): 48971880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1423, 1476, 1640, 1845, 2460, 2846, 2952, 3690, 4269, 4920, 5692, 7115, 7380, 8538, 11384, 12807, 14230, 14760, 17076, 21345, 25614, 28460, 34152, 42690, 51228, 56920, 58343, 64035, 85380, 102456, 116686, 128070, 170760, 175029, 233372, 256140, 291715, 350058, 466744, 512280, 525087, 583430, 700116, 875145, 1050174, 1166860, 1400232, 1750290, 2100348, 2333720, 2625435, 3500580, 4200696, 5250870, 7001160, 10501740, 21003480]

約数ペア:

[(1, 21003480), (2, 10501740), (3, 7001160), (4, 5250870), (5, 4200696), (6, 3500580), (8, 2625435), (9, 2333720), (10, 2100348), (12, 1750290), (15, 1400232), (18, 1166860), (20, 1050174), (24, 875145), (30, 700116), (36, 583430), (40, 525087), (41, 512280), (45, 466744), (60, 350058), (72, 291715), (82, 256140), (90, 233372), (120, 175029), (123, 170760), (164, 128070), (180, 116686), (205, 102456), (246, 85380), (328, 64035), (360, 58343), (369, 56920), (410, 51228), (492, 42690), (615, 34152), (738, 28460), (820, 25614), (984, 21345), (1230, 17076), (1423, 14760), (1476, 14230), (1640, 12807), (1845, 11384), (2460, 8538), (2846, 7380), (2952, 7115), (3690, 5692), (4269, 4920)]