21137322

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1721}}^1$

素因数の和:1838

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 23496918

約数列:

[1, 2, 3, 6, 23, 46, 69, 89, 138, 178, 267, 534, 1721, 2047, 3442, 4094, 5163, 6141, 10326, 12282, 39583, 79166, 118749, 153169, 237498, 306338, 459507, 919014, 3522887, 7045774, 10568661, 21137322]

約数ペア:

[(1, 21137322), (2, 10568661), (3, 7045774), (6, 3522887), (23, 919014), (46, 459507), (69, 306338), (89, 237498), (138, 153169), (178, 118749), (267, 79166), (534, 39583), (1721, 12282), (2047, 10326), (3442, 6141), (4094, 5163)]