21839951

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{823}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 26578944

約数和(自身を除く): 4738993

約数列:

[1, 7, 17, 119, 223, 823, 1561, 3791, 5761, 13991, 26537, 97937, 183529, 1284703, 3119993, 21839951]

約数ペア:

[(1, 21839951), (7, 3119993), (17, 1284703), (119, 183529), (223, 97937), (823, 26537), (1561, 13991), (3791, 5761)]