21040894

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4051}}^1$

素因数の和:4120

約数の個数: 24

約数和(自身を含む): 37416168

約数和(自身を除く): 16375274

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 4051, 5194, 8102, 28357, 56714, 198499, 214703, 396998, 429406, 1502921, 3005842, 10520447, 21040894]

約数ペア:

[(1, 21040894), (2, 10520447), (7, 3005842), (14, 1502921), (49, 429406), (53, 396998), (98, 214703), (106, 198499), (371, 56714), (742, 28357), (2597, 8102), (4051, 5194)]