21348005

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{35879}}^1$

素因数の和:35908

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 9652315

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 35879, 179395, 251153, 609943, 1255765, 3049715, 4269601, 21348005]

約数ペア:

[(1, 21348005), (5, 4269601), (7, 3049715), (17, 1255765), (35, 609943), (85, 251153), (119, 179395), (595, 35879)]