21373418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9619}}^1$

素因数の和:9733

約数の個数: 16

約数和(自身を含む): 35324640

約数和(自身を除く): 13951222

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9619, 19238, 105809, 211618, 971519, 1943038, 10686709, 21373418]

約数ペア:

[(1, 21373418), (2, 10686709), (11, 1943038), (22, 971519), (101, 211618), (202, 105809), (1111, 19238), (2222, 9619)]