21598030

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40751}}^1$

素因数の和:40811

約数の個数: 16

約数和(自身を含む): 39610944

約数和(自身を除く): 18012914

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 40751, 81502, 203755, 407510, 2159803, 4319606, 10799015, 21598030]

約数ペア:

[(1, 21598030), (2, 10799015), (5, 4319606), (10, 2159803), (53, 407510), (106, 203755), (265, 81502), (530, 40751)]