21444165

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20719}}^1$

素因数の和:20753

約数の個数: 24

約数和(自身を含む): 38787840

約数和(自身を除く): 17343675

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 20719, 62157, 103595, 186471, 310785, 476537, 932355, 1429611, 2382685, 4288833, 7148055, 21444165]

約数ペア:

[(1, 21444165), (3, 7148055), (5, 4288833), (9, 2382685), (15, 1429611), (23, 932355), (45, 476537), (69, 310785), (115, 186471), (207, 103595), (345, 62157), (1035, 20719)]