21438070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1123}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 40787712

約数和(自身を除く): 19349642

約数列:

[1, 2, 5, 10, 23, 46, 83, 115, 166, 230, 415, 830, 1123, 1909, 2246, 3818, 5615, 9545, 11230, 19090, 25829, 51658, 93209, 129145, 186418, 258290, 466045, 932090, 2143807, 4287614, 10719035, 21438070]

約数ペア:

[(1, 21438070), (2, 10719035), (5, 4287614), (10, 2143807), (23, 932090), (46, 466045), (83, 258290), (115, 186418), (166, 129145), (230, 93209), (415, 51658), (830, 25829), (1123, 19090), (1909, 11230), (2246, 9545), (3818, 5615)]