21910994

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2141}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 40715136

約数和(自身を除く): 18804142

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 2141, 4282, 5117, 10234, 14987, 29974, 36397, 72794, 92063, 184126, 254779, 509558, 644441, 1288882, 1565071, 3130142, 10955497, 21910994]

約数ペア:

[(1, 21910994), (2, 10955497), (7, 3130142), (14, 1565071), (17, 1288882), (34, 644441), (43, 509558), (86, 254779), (119, 184126), (238, 92063), (301, 72794), (602, 36397), (731, 29974), (1462, 14987), (2141, 10234), (4282, 5117)]