21740276545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1\times {\mathrm{8971}}^1$

素因数の和:10633

約数の個数: 32

約数和(自身を含む): 29338009344

約数和(自身を除く): 7597732799

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 1621, 8105, 8971, 21073, 37283, 44855, 105365, 116623, 186415, 206333, 484679, 583115, 1031665, 2423395, 2682329, 13411645, 14541991, 72709955, 189045883, 334465793, 945229415, 1672328965, 4348055309, 21740276545]

約数ペア:

[(1, 21740276545), (5, 4348055309), (13, 1672328965), (23, 945229415), (65, 334465793), (115, 189045883), (299, 72709955), (1495, 14541991), (1621, 13411645), (8105, 2682329), (8971, 2423395), (21073, 1031665), (37283, 583115), (44855, 484679), (105365, 206333), (116623, 186415)]