21941068

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 39548880

約数和(自身を除く): 17607812

約数列:

[1, 2, 4, 41, 82, 164, 353, 379, 706, 758, 1412, 1516, 14473, 15539, 28946, 31078, 57892, 62156, 133787, 267574, 535148, 5485267, 10970534, 21941068]

約数ペア:

[(1, 21941068), (2, 10970534), (4, 5485267), (41, 535148), (82, 267574), (164, 133787), (353, 62156), (379, 57892), (706, 31078), (758, 28946), (1412, 15539), (1516, 14473)]