210905214

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{87223}}^1$

素因数の和:87272

約数の個数: 32

約数和(自身を含む): 468916224

約数和(自身を除く): 258011010

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 87223, 174446, 261669, 523338, 1133899, 2267798, 2703913, 3401697, 5407826, 6803394, 8111739, 16223478, 35150869, 70301738, 105452607, 210905214]

約数ペア:

[(1, 210905214), (2, 105452607), (3, 70301738), (6, 35150869), (13, 16223478), (26, 8111739), (31, 6803394), (39, 5407826), (62, 3401697), (78, 2703913), (93, 2267798), (186, 1133899), (403, 523338), (806, 261669), (1209, 174446), (2418, 87223)]