21014744387

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1\times {\mathrm{4729}}^1$

素因数の和:5835

約数の個数: 32

約数和(自身を含む): 26445619200

約数和(自身を除く): 5430874813

約数列:

[1, 7, 13, 47, 91, 329, 611, 1039, 4277, 4729, 7273, 13507, 33103, 48833, 61477, 94549, 222263, 341831, 430339, 634829, 1555841, 2889419, 4443803, 4913431, 20225933, 34394017, 63874603, 230931257, 447122221, 1616518799, 3002106341, 21014744387]

約数ペア:

[(1, 21014744387), (7, 3002106341), (13, 1616518799), (47, 447122221), (91, 230931257), (329, 63874603), (611, 34394017), (1039, 20225933), (4277, 4913431), (4729, 4443803), (7273, 2889419), (13507, 1555841), (33103, 634829), (48833, 430339), (61477, 341831), (94549, 222263)]