21545859027

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{4831}}^1$

素因数の和:5344

約数の個数: 64

約数和(自身を含む): 36738662400

約数和(自身を除く): 15192803373

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 449, 473, 903, 1347, 1419, 3143, 3311, 4831, 4939, 9429, 9933, 14493, 14817, 19307, 33817, 34573, 53141, 57921, 101451, 103719, 135149, 159423, 207733, 212377, 371987, 405447, 623199, 637131, 1115961, 1454131, 1486639, 2169119, 2285063, 4362393, 4459917, 6507357, 6855189, 15183833, 15995441, 23860309, 45551499, 47986323, 71580927, 93272117, 167022163, 279816351, 501066489, 652904819, 1025993287, 1958714457, 3077979861, 7181953009, 21545859027]

約数ペア:

[(1, 21545859027), (3, 7181953009), (7, 3077979861), (11, 1958714457), (21, 1025993287), (33, 652904819), (43, 501066489), (77, 279816351), (129, 167022163), (231, 93272117), (301, 71580927), (449, 47986323), (473, 45551499), (903, 23860309), (1347, 15995441), (1419, 15183833), (3143, 6855189), (3311, 6507357), (4831, 4459917), (4939, 4362393), (9429, 2285063), (9933, 2169119), (14493, 1486639), (14817, 1454131), (19307, 1115961), (33817, 637131), (34573, 623199), (53141, 405447), (57921, 371987), (101451, 212377), (103719, 207733), (135149, 159423)]