21095556284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1328101}}^1$

素因数の和:1328154

約数の個数: 36

約数和(自身を含む): 42504576408

約数和(自身を除く): 21409020124

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1444, 3971, 7942, 15884, 1328101, 2656202, 5312404, 14609111, 25233919, 29218222, 50467838, 58436444, 100935676, 277573109, 479444461, 555146218, 958888922, 1110292436, 1917777844, 5273889071, 10547778142, 21095556284]

約数ペア:

[(1, 21095556284), (2, 10547778142), (4, 5273889071), (11, 1917777844), (19, 1110292436), (22, 958888922), (38, 555146218), (44, 479444461), (76, 277573109), (209, 100935676), (361, 58436444), (418, 50467838), (722, 29218222), (836, 25233919), (1444, 14609111), (3971, 5312404), (7942, 2656202), (15884, 1328101)]