21089724

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1543}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 52915968

約数和(自身を除く): 31826244

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 67, 68, 102, 134, 201, 204, 268, 402, 804, 1139, 1543, 2278, 3086, 3417, 4556, 4629, 6172, 6834, 9258, 13668, 18516, 26231, 52462, 78693, 103381, 104924, 157386, 206762, 310143, 314772, 413524, 620286, 1240572, 1757477, 3514954, 5272431, 7029908, 10544862, 21089724]

約数ペア:

[(1, 21089724), (2, 10544862), (3, 7029908), (4, 5272431), (6, 3514954), (12, 1757477), (17, 1240572), (34, 620286), (51, 413524), (67, 314772), (68, 310143), (102, 206762), (134, 157386), (201, 104924), (204, 103381), (268, 78693), (402, 52462), (804, 26231), (1139, 18516), (1543, 13668), (2278, 9258), (3086, 6834), (3417, 6172), (4556, 4629)]