21333225

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4663}}^1$

素因数の和:4737

約数の個数: 24

約数和(自身を含む): 35856832

約数和(自身を除く): 14523607

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 4663, 13989, 23315, 69945, 116575, 284443, 349725, 853329, 1422215, 4266645, 7111075, 21333225]

約数ペア:

[(1, 21333225), (3, 7111075), (5, 4266645), (15, 1422215), (25, 853329), (61, 349725), (75, 284443), (183, 116575), (305, 69945), (915, 23315), (1525, 13989), (4575, 4663)]