21507966

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41203}}^1$

素因数の和:41240

約数の個数: 24

約数和(自身を含む): 48208680

約数和(自身を除く): 26700714

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 41203, 82406, 123609, 247218, 370827, 741654, 1194887, 2389774, 3584661, 7169322, 10753983, 21507966]

約数ペア:

[(1, 21507966), (2, 10753983), (3, 7169322), (6, 3584661), (9, 2389774), (18, 1194887), (29, 741654), (58, 370827), (87, 247218), (174, 123609), (261, 82406), (522, 41203)]