21422223

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2797}}^1$

素因数の和:2863

約数の個数: 24

約数和(自身を含む): 33173088

約数和(自身を除く): 11750865

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 2797, 7659, 8391, 25173, 64331, 103489, 192993, 310467, 578979, 931401, 2380247, 7140741, 21422223]

約数ペア:

[(1, 21422223), (3, 7140741), (9, 2380247), (23, 931401), (37, 578979), (69, 310467), (111, 192993), (207, 103489), (333, 64331), (851, 25173), (2553, 8391), (2797, 7659)]