21777888747

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{672593}}^1$

素因数の和:672890

約数の個数: 16

約数和(自身を含む): 29830889088

約数和(自身を除く): 8053000341

約数列:

[1, 3, 43, 129, 251, 753, 10793, 32379, 672593, 2017779, 28921499, 86764497, 168820843, 506462529, 7259296249, 21777888747]

約数ペア:

[(1, 21777888747), (3, 7259296249), (43, 506462529), (129, 168820843), (251, 86764497), (753, 28921499), (10793, 2017779), (32379, 672593)]