21214725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 42461568

約数和(自身を除く): 21246843

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2377, 2975, 7131, 8925, 11885, 16639, 35655, 40409, 49917, 59425, 83195, 121227, 178275, 202045, 249585, 282863, 415975, 606135, 848589, 1010225, 1247925, 1414315, 3030675, 4242945, 7071575, 21214725]

約数ペア:

[(1, 21214725), (3, 7071575), (5, 4242945), (7, 3030675), (15, 1414315), (17, 1247925), (21, 1010225), (25, 848589), (35, 606135), (51, 415975), (75, 282863), (85, 249585), (105, 202045), (119, 178275), (175, 121227), (255, 83195), (357, 59425), (425, 49917), (525, 40409), (595, 35655), (1275, 16639), (1785, 11885), (2377, 8925), (2975, 7131)]