21762065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6317}}^1$

素因数の和:6388

約数の個数: 16

約数和(自身を含む): 28658448

約数和(自身を除く): 6896383

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 6317, 31585, 82121, 334801, 410605, 1674005, 4352413, 21762065]

約数ペア:

[(1, 21762065), (5, 4352413), (13, 1674005), (53, 410605), (65, 334801), (265, 82121), (689, 31585), (3445, 6317)]