21370938

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209519}}^1$

素因数の和:209541

約数の個数: 16

約数和(自身を含む): 45256320

約数和(自身を除く): 23885382

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209519, 419038, 628557, 1257114, 3561823, 7123646, 10685469, 21370938]

約数ペア:

[(1, 21370938), (2, 10685469), (3, 7123646), (6, 3561823), (17, 1257114), (34, 628557), (51, 419038), (102, 209519)]