21366960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5237}}^1$

素因数の和:5270

約数の個数: 80

約数和(自身を含む): 70147296

約数和(自身を除く): 48780336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5237, 10474, 15711, 20948, 26185, 31422, 41896, 52370, 62844, 78555, 83792, 89029, 104740, 125688, 157110, 178058, 209480, 251376, 267087, 314220, 356116, 418960, 445145, 534174, 628440, 712232, 890290, 1068348, 1256880, 1335435, 1424464, 1780580, 2136696, 2670870, 3561160, 4273392, 5341740, 7122320, 10683480, 21366960]

約数ペア:

[(1, 21366960), (2, 10683480), (3, 7122320), (4, 5341740), (5, 4273392), (6, 3561160), (8, 2670870), (10, 2136696), (12, 1780580), (15, 1424464), (16, 1335435), (17, 1256880), (20, 1068348), (24, 890290), (30, 712232), (34, 628440), (40, 534174), (48, 445145), (51, 418960), (60, 356116), (68, 314220), (80, 267087), (85, 251376), (102, 209480), (120, 178058), (136, 157110), (170, 125688), (204, 104740), (240, 89029), (255, 83792), (272, 78555), (340, 62844), (408, 52370), (510, 41896), (680, 31422), (816, 26185), (1020, 20948), (1360, 15711), (2040, 10474), (4080, 5237)]