21451408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121883}}^1$

素因数の和:121902

約数の個数: 20

約数和(自身を含む): 45340848

約数和(自身を除く): 23889440

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121883, 243766, 487532, 975064, 1340713, 1950128, 2681426, 5362852, 10725704, 21451408]

約数ペア:

[(1, 21451408), (2, 10725704), (4, 5362852), (8, 2681426), (11, 1950128), (16, 1340713), (22, 975064), (44, 487532), (88, 243766), (176, 121883)]