21384044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25579}}^1$

素因数の和:25613

約数の個数: 24

約数和(自身を含む): 42974400

約数和(自身を除く): 21590356

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25579, 51158, 102316, 281369, 486001, 562738, 972002, 1125476, 1944004, 5346011, 10692022, 21384044]

約数ペア:

[(1, 21384044), (2, 10692022), (4, 5346011), (11, 1944004), (19, 1125476), (22, 972002), (38, 562738), (44, 486001), (76, 281369), (209, 102316), (418, 51158), (836, 25579)]