21364818

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209459}}^1$

素因数の和:209481

約数の個数: 16

約数和(自身を含む): 45243360

約数和(自身を除く): 23878542

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209459, 418918, 628377, 1256754, 3560803, 7121606, 10682409, 21364818]

約数ペア:

[(1, 21364818), (2, 10682409), (3, 7121606), (6, 3560803), (17, 1256754), (34, 628377), (51, 418918), (102, 209459)]