21069610

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{907}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 40010112

約数和(自身を除く): 18940502

約数列:

[1, 2, 5, 10, 23, 46, 101, 115, 202, 230, 505, 907, 1010, 1814, 2323, 4535, 4646, 9070, 11615, 20861, 23230, 41722, 91607, 104305, 183214, 208610, 458035, 916070, 2106961, 4213922, 10534805, 21069610]

約数ペア:

[(1, 21069610), (2, 10534805), (5, 4213922), (10, 2106961), (23, 916070), (46, 458035), (101, 208610), (115, 183214), (202, 104305), (230, 91607), (505, 41722), (907, 23230), (1010, 20861), (1814, 11615), (2323, 9070), (4535, 4646)]