21802215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{337}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 36990720

約数和(自身を除く): 15188505

約数列:

[1, 3, 5, 15, 19, 57, 95, 227, 285, 337, 681, 1011, 1135, 1685, 3405, 4313, 5055, 6403, 12939, 19209, 21565, 32015, 64695, 76499, 96045, 229497, 382495, 1147485, 1453481, 4360443, 7267405, 21802215]

約数ペア:

[(1, 21802215), (3, 7267405), (5, 4360443), (15, 1453481), (19, 1147485), (57, 382495), (95, 229497), (227, 96045), (285, 76499), (337, 64695), (681, 32015), (1011, 21565), (1135, 19209), (1685, 12939), (3405, 6403), (4313, 5055)]