21058114

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 41061888

約数和(自身を除く): 20003774

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 121, 154, 217, 242, 341, 401, 434, 682, 802, 847, 1694, 2387, 2807, 3751, 4411, 4774, 5614, 7502, 8822, 12431, 24862, 26257, 30877, 48521, 52514, 61754, 87017, 97042, 136741, 174034, 273482, 339647, 679294, 957187, 1504151, 1914374, 3008302, 10529057, 21058114]

約数ペア:

[(1, 21058114), (2, 10529057), (7, 3008302), (11, 1914374), (14, 1504151), (22, 957187), (31, 679294), (62, 339647), (77, 273482), (121, 174034), (154, 136741), (217, 97042), (242, 87017), (341, 61754), (401, 52514), (434, 48521), (682, 30877), (802, 26257), (847, 24862), (1694, 12431), (2387, 8822), (2807, 7502), (3751, 5614), (4411, 4774)]