21074742

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10007}}^1$

素因数の和:10034

約数の個数: 40

約数和(自身を含む): 50860656

約数和(自身を除く): 29785914

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10007, 20014, 30021, 60042, 90063, 130091, 180126, 260182, 270189, 390273, 540378, 780546, 810567, 1170819, 1621134, 2341638, 3512457, 7024914, 10537371, 21074742]

約数ペア:

[(1, 21074742), (2, 10537371), (3, 7024914), (6, 3512457), (9, 2341638), (13, 1621134), (18, 1170819), (26, 810567), (27, 780546), (39, 540378), (54, 390273), (78, 270189), (81, 260182), (117, 180126), (162, 130091), (234, 90063), (351, 60042), (702, 30021), (1053, 20014), (2106, 10007)]