21383626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51157}}^1$

素因数の和:51189

約数の個数: 16

約数和(自身を含む): 36833760

約数和(自身を除く): 15450134

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51157, 102314, 562727, 971983, 1125454, 1943966, 10691813, 21383626]

約数ペア:

[(1, 21383626), (2, 10691813), (11, 1943966), (19, 1125454), (22, 971983), (38, 562727), (209, 102314), (418, 51157)]