21676081857

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{62773}}^1$

素因数の和:62933

約数の個数: 32

約数和(自身を含む): 30854676480

約数和(自身を除く): 9178594623

約数列:

[1, 3, 31, 47, 79, 93, 141, 237, 1457, 2449, 3713, 4371, 7347, 11139, 62773, 115103, 188319, 345309, 1945963, 2950331, 4959067, 5837889, 8850993, 14877201, 91460261, 153731077, 233076149, 274380783, 461193231, 699228447, 7225360619, 21676081857]

約数ペア:

[(1, 21676081857), (3, 7225360619), (31, 699228447), (47, 461193231), (79, 274380783), (93, 233076149), (141, 153731077), (237, 91460261), (1457, 14877201), (2449, 8850993), (3713, 5837889), (4371, 4959067), (7347, 2950331), (11139, 1945963), (62773, 345309), (115103, 188319)]