21222516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{797}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 56843136

約数和(自身を除く): 35620620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 317, 634, 797, 951, 1268, 1594, 1902, 2219, 2391, 3188, 3804, 4438, 4782, 5579, 6657, 8876, 9564, 11158, 13314, 16737, 22316, 26628, 33474, 66948, 252649, 505298, 757947, 1010596, 1515894, 1768543, 3031788, 3537086, 5305629, 7074172, 10611258, 21222516]

約数ペア:

[(1, 21222516), (2, 10611258), (3, 7074172), (4, 5305629), (6, 3537086), (7, 3031788), (12, 1768543), (14, 1515894), (21, 1010596), (28, 757947), (42, 505298), (84, 252649), (317, 66948), (634, 33474), (797, 26628), (951, 22316), (1268, 16737), (1594, 13314), (1902, 11158), (2219, 9564), (2391, 8876), (3188, 6657), (3804, 5579), (4438, 4782)]