21602481260

素因数分解:

$2^2\times 5^1\times {\mathrm{13691}}^1\times {\mathrm{78893}}^1$

素因数の和:92593

約数の個数: 24

約数和(自身を含む): 45369099216

約数和(自身を除く): 23766617956

約数列:

[1, 2, 4, 5, 10, 20, 13691, 27382, 54764, 68455, 78893, 136910, 157786, 273820, 315572, 394465, 788930, 1577860, 1080124063, 2160248126, 4320496252, 5400620315, 10801240630, 21602481260]

約数ペア:

[(1, 21602481260), (2, 10801240630), (4, 5400620315), (5, 4320496252), (10, 2160248126), (20, 1080124063), (13691, 1577860), (27382, 788930), (54764, 394465), (68455, 315572), (78893, 273820), (136910, 157786)]