21169876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3061}}^1$

素因数の和:3104

約数の個数: 48

約数和(自身を含む): 48012160

約数和(自身を除く): 26842284

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3061, 3458, 6122, 6916, 12244, 21427, 39793, 42854, 58159, 79586, 85708, 116318, 159172, 232636, 278551, 407113, 557102, 756067, 814226, 1114204, 1512134, 1628452, 3024268, 5292469, 10584938, 21169876]

約数ペア:

[(1, 21169876), (2, 10584938), (4, 5292469), (7, 3024268), (13, 1628452), (14, 1512134), (19, 1114204), (26, 814226), (28, 756067), (38, 557102), (52, 407113), (76, 278551), (91, 232636), (133, 159172), (182, 116318), (247, 85708), (266, 79586), (364, 58159), (494, 42854), (532, 39793), (988, 21427), (1729, 12244), (3061, 6916), (3458, 6122)]