21091336612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1\times {\mathrm{2473}}^1$

素因数の和:3172

約数の個数: 48

約数和(自身を含む): 39102658560

約数和(自身を除く): 18011321948

約数列:

[1, 2, 4, 19, 38, 76, 293, 383, 586, 766, 1172, 1532, 2473, 4946, 5567, 7277, 9892, 11134, 14554, 22268, 29108, 46987, 93974, 112219, 187948, 224438, 448876, 724589, 947159, 1449178, 1894318, 2132161, 2898356, 3788636, 4264322, 8528644, 13767191, 17996021, 27534382, 35992042, 55068764, 71984084, 277517587, 555035174, 1110070348, 5272834153, 10545668306, 21091336612]

約数ペア:

[(1, 21091336612), (2, 10545668306), (4, 5272834153), (19, 1110070348), (38, 555035174), (76, 277517587), (293, 71984084), (383, 55068764), (586, 35992042), (766, 27534382), (1172, 17996021), (1532, 13767191), (2473, 8528644), (4946, 4264322), (5567, 3788636), (7277, 2898356), (9892, 2132161), (11134, 1894318), (14554, 1449178), (22268, 947159), (29108, 724589), (46987, 448876), (93974, 224438), (112219, 187948)]