21661758

素因数分解:

$2^1\times 3^2\times {\mathrm{911}}^1\times {\mathrm{1321}}^1$

素因数の和:2240

約数の個数: 24

約数和(自身を含む): 47020896

約数和(自身を除く): 25359138

約数列:

[1, 2, 3, 6, 9, 18, 911, 1321, 1822, 2642, 2733, 3963, 5466, 7926, 8199, 11889, 16398, 23778, 1203431, 2406862, 3610293, 7220586, 10830879, 21661758]

約数ペア:

[(1, 21661758), (2, 10830879), (3, 7220586), (6, 3610293), (9, 2406862), (18, 1203431), (911, 23778), (1321, 16398), (1822, 11889), (2642, 8199), (2733, 7926), (3963, 5466)]