21570916

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2383}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 39517184

約数和(自身を除く): 17946268

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 2383, 4526, 4766, 9052, 9532, 73873, 147746, 173959, 295492, 347918, 695836, 5392729, 10785458, 21570916]

約数ペア:

[(1, 21570916), (2, 10785458), (4, 5392729), (31, 695836), (62, 347918), (73, 295492), (124, 173959), (146, 147746), (292, 73873), (2263, 9532), (2383, 9052), (4526, 4766)]