21903490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44701}}^1$

素因数の和:44722

約数の個数: 24

約数和(自身を含む): 45864252

約数和(自身を除く): 23960762

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44701, 89402, 223505, 312907, 447010, 625814, 1564535, 2190349, 3129070, 4380698, 10951745, 21903490]

約数ペア:

[(1, 21903490), (2, 10951745), (5, 4380698), (7, 3129070), (10, 2190349), (14, 1564535), (35, 625814), (49, 447010), (70, 312907), (98, 223505), (245, 89402), (490, 44701)]