21995400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{5237}}^1$

素因数の和:5263

約数の個数: 96

約数和(自身を含む): 77941440

約数和(自身を除く): 55946040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 5237, 10474, 15711, 20948, 26185, 31422, 36659, 41896, 52370, 62844, 73318, 78555, 104740, 109977, 125688, 130925, 146636, 157110, 183295, 209480, 219954, 261850, 293272, 314220, 366590, 392775, 439908, 523700, 549885, 628440, 733180, 785550, 879816, 916475, 1047400, 1099770, 1466360, 1571100, 1832950, 2199540, 2749425, 3142200, 3665900, 4399080, 5498850, 7331800, 10997700, 21995400]

約数ペア:

[(1, 21995400), (2, 10997700), (3, 7331800), (4, 5498850), (5, 4399080), (6, 3665900), (7, 3142200), (8, 2749425), (10, 2199540), (12, 1832950), (14, 1571100), (15, 1466360), (20, 1099770), (21, 1047400), (24, 916475), (25, 879816), (28, 785550), (30, 733180), (35, 628440), (40, 549885), (42, 523700), (50, 439908), (56, 392775), (60, 366590), (70, 314220), (75, 293272), (84, 261850), (100, 219954), (105, 209480), (120, 183295), (140, 157110), (150, 146636), (168, 130925), (175, 125688), (200, 109977), (210, 104740), (280, 78555), (300, 73318), (350, 62844), (420, 52370), (525, 41896), (600, 36659), (700, 31422), (840, 26185), (1050, 20948), (1400, 15711), (2100, 10474), (4200, 5237)]