21400484

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44959}}^1$

素因数の和:44987

約数の個数: 24

約数和(自身を含む): 45319680

約数和(自身を除く): 23919196

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44959, 89918, 179836, 314713, 629426, 764303, 1258852, 1528606, 3057212, 5350121, 10700242, 21400484]

約数ペア:

[(1, 21400484), (2, 10700242), (4, 5350121), (7, 3057212), (14, 1528606), (17, 1258852), (28, 764303), (34, 629426), (68, 314713), (119, 179836), (238, 89918), (476, 44959)]