21776090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2379

約数の個数: 48

約数和(自身を含む): 48016800

約数和(自身を除く): 26240710

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2339, 4655, 4678, 9310, 11695, 16373, 23390, 32746, 44441, 81865, 88882, 114611, 163730, 222205, 229222, 311087, 444410, 573055, 622174, 1146110, 1555435, 2177609, 3110870, 4355218, 10888045, 21776090]

約数ペア:

[(1, 21776090), (2, 10888045), (5, 4355218), (7, 3110870), (10, 2177609), (14, 1555435), (19, 1146110), (35, 622174), (38, 573055), (49, 444410), (70, 311087), (95, 229222), (98, 222205), (133, 163730), (190, 114611), (245, 88882), (266, 81865), (490, 44441), (665, 32746), (931, 23390), (1330, 16373), (1862, 11695), (2339, 9310), (4655, 4678)]