21161886

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1723}}^1$

素因数の和:1840

約数の個数: 32

約数和(自身を含む): 44686080

約数和(自身を除く): 23524194

約数列:

[1, 2, 3, 6, 23, 46, 69, 89, 138, 178, 267, 534, 1723, 2047, 3446, 4094, 5169, 6141, 10338, 12282, 39629, 79258, 118887, 153347, 237774, 306694, 460041, 920082, 3526981, 7053962, 10580943, 21161886]

約数ペア:

[(1, 21161886), (2, 10580943), (3, 7053962), (6, 3526981), (23, 920082), (46, 460041), (69, 306694), (89, 237774), (138, 153347), (178, 118887), (267, 79258), (534, 39629), (1723, 12282), (2047, 10338), (3446, 6141), (4094, 5169)]