21884970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11959}}^1$

素因数の和:12030

約数の個数: 32

約数和(自身を含む): 53389440

約数和(自身を除く): 31504470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11959, 23918, 35877, 59795, 71754, 119590, 179385, 358770, 729499, 1458998, 2188497, 3647495, 4376994, 7294990, 10942485, 21884970]

約数ペア:

[(1, 21884970), (2, 10942485), (3, 7294990), (5, 4376994), (6, 3647495), (10, 2188497), (15, 1458998), (30, 729499), (61, 358770), (122, 179385), (183, 119590), (305, 71754), (366, 59795), (610, 35877), (915, 23918), (1830, 11959)]