21168231207986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1\times {\mathrm{161221}}^1$

素因数の和:162131

約数の個数: 64

約数和(自身を含む): 34751518179840

約数和(自身を除く): 13583286971854

約数列:

[1, 2, 17, 34, 41, 82, 131, 262, 697, 719, 1394, 1438, 2227, 4454, 5371, 10742, 12223, 24446, 29479, 58958, 91307, 94189, 161221, 182614, 188378, 322442, 501143, 1002286, 1601213, 2740757, 3202426, 3861749, 5481514, 6610061, 7723498, 13220122, 21119951, 42239902, 65649733, 112371037, 115917899, 131299466, 224742074, 231835798, 359039167, 718078334, 865917991, 1731835982, 1970604283, 3941208566, 4752633859, 9505267718, 14720605847, 15185244769, 29441211694, 30370489538, 80794775603, 161589551206, 258149161073, 516298322146, 622595035529, 1245190071058, 10584115603993, 21168231207986]

約数ペア:

[(1, 21168231207986), (2, 10584115603993), (17, 1245190071058), (34, 622595035529), (41, 516298322146), (82, 258149161073), (131, 161589551206), (262, 80794775603), (697, 30370489538), (719, 29441211694), (1394, 15185244769), (1438, 14720605847), (2227, 9505267718), (4454, 4752633859), (5371, 3941208566), (10742, 1970604283), (12223, 1731835982), (24446, 865917991), (29479, 718078334), (58958, 359039167), (91307, 231835798), (94189, 224742074), (161221, 131299466), (182614, 115917899), (188378, 112371037), (322442, 65649733), (501143, 42239902), (1002286, 21119951), (1601213, 13220122), (2740757, 7723498), (3202426, 6610061), (3861749, 5481514)]