21969870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{56333}}^1$

素因数の和:56356

約数の個数: 32

約数和(自身を含む): 56784672

約数和(自身を除く): 34814802

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 56333, 112666, 168999, 281665, 337998, 563330, 732329, 844995, 1464658, 1689990, 2196987, 3661645, 4393974, 7323290, 10984935, 21969870]

約数ペア:

[(1, 21969870), (2, 10984935), (3, 7323290), (5, 4393974), (6, 3661645), (10, 2196987), (13, 1689990), (15, 1464658), (26, 844995), (30, 732329), (39, 563330), (65, 337998), (78, 281665), (130, 168999), (195, 112666), (390, 56333)]