21947954

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{54059}}^1$

素因数の和:54097

約数の個数: 16

約数和(自身を含む): 38923200

約数和(自身を除く): 16975246

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 54059, 108118, 378413, 756826, 1567711, 3135422, 10973977, 21947954]

約数ペア:

[(1, 21947954), (2, 10973977), (7, 3135422), (14, 1567711), (29, 756826), (58, 378413), (203, 108118), (406, 54059)]