21983883

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 10118517

約数列:

[1, 3, 23, 37, 69, 79, 109, 111, 237, 327, 851, 1817, 2507, 2553, 2923, 4033, 5451, 7521, 8611, 8769, 12099, 25833, 67229, 92759, 198053, 201687, 278277, 318607, 594159, 955821, 7327961, 21983883]

約数ペア:

[(1, 21983883), (3, 7327961), (23, 955821), (37, 594159), (69, 318607), (79, 278277), (109, 201687), (111, 198053), (237, 92759), (327, 67229), (851, 25833), (1817, 12099), (2507, 8769), (2553, 8611), (2923, 7521), (4033, 5451)]