21650896

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43651}}^1$

素因数の和:43690

約数の個数: 20

約数和(自身を含む): 43302784

約数和(自身を除く): 21651888

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43651, 87302, 174604, 349208, 698416, 1353181, 2706362, 5412724, 10825448, 21650896]

約数ペア:

[(1, 21650896), (2, 10825448), (4, 5412724), (8, 2706362), (16, 1353181), (31, 698416), (62, 349208), (124, 174604), (248, 87302), (496, 43651)]