20210141931

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23472871}}^1$

素因数の和:23472922

約数の個数: 16

約数和(自身を含む): 31547539968

約数和(自身を除く): 11337398037

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23472871, 70418613, 164310097, 492930291, 962387711, 2887163133, 6736713977, 20210141931]

約数ペア:

[(1, 20210141931), (3, 6736713977), (7, 2887163133), (21, 962387711), (41, 492930291), (123, 164310097), (287, 70418613), (861, 23472871)]