21000377057

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1\times {\mathrm{2801}}^1$

素因数の和:4097

約数の個数: 32

約数和(自身を含む): 24975907200

約数和(自身を除く): 3975530143

約数列:

[1, 11, 19, 29, 209, 319, 551, 1237, 2801, 6061, 13607, 23503, 30811, 35873, 53219, 81229, 258533, 394603, 585409, 681587, 893519, 1543351, 3464837, 7497457, 16976861, 38113207, 65831903, 100480273, 724150933, 1105283003, 1909125187, 21000377057]

約数ペア:

[(1, 21000377057), (11, 1909125187), (19, 1105283003), (29, 724150933), (209, 100480273), (319, 65831903), (551, 38113207), (1237, 16976861), (2801, 7497457), (6061, 3464837), (13607, 1543351), (23503, 893519), (30811, 681587), (35873, 585409), (53219, 394603), (81229, 258533)]