21134498

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 21996382

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 62, 77, 133, 154, 209, 217, 233, 266, 341, 418, 434, 466, 589, 682, 1178, 1463, 1631, 2387, 2563, 2926, 3262, 4123, 4427, 4774, 5126, 6479, 7223, 8246, 8854, 12958, 14446, 17941, 30989, 35882, 45353, 48697, 50561, 61978, 79453, 90706, 97394, 101122, 137237, 158906, 274474, 340879, 556171, 681758, 960659, 1112342, 1509607, 1921318, 3019214, 10567249, 21134498]

約数ペア:

[(1, 21134498), (2, 10567249), (7, 3019214), (11, 1921318), (14, 1509607), (19, 1112342), (22, 960659), (31, 681758), (38, 556171), (62, 340879), (77, 274474), (133, 158906), (154, 137237), (209, 101122), (217, 97394), (233, 90706), (266, 79453), (341, 61978), (418, 50561), (434, 48697), (466, 45353), (589, 35882), (682, 30989), (1178, 17941), (1463, 14446), (1631, 12958), (2387, 8854), (2563, 8246), (2926, 7223), (3262, 6479), (4123, 5126), (4427, 4774)]