21306117

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1677

約数の個数: 32

約数和(自身を含む): 35327232

約数和(自身を除く): 14021115

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1613, 1887, 4403, 4839, 11291, 13209, 27421, 33873, 59681, 82263, 179043, 191947, 417767, 575841, 1014577, 1253301, 3043731, 7102039, 21306117]

約数ペア:

[(1, 21306117), (3, 7102039), (7, 3043731), (17, 1253301), (21, 1014577), (37, 575841), (51, 417767), (111, 191947), (119, 179043), (259, 82263), (357, 59681), (629, 33873), (777, 27421), (1613, 13209), (1887, 11291), (4403, 4839)]