21902952955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1531}}^1\times {\mathrm{2473}}^1$

素因数の和:4111

約数の個数: 32

約数和(自身を含む): 28653670080

約数和(自身を除く): 6750717125

約数列:

[1, 5, 13, 65, 89, 445, 1157, 1531, 2473, 5785, 7655, 12365, 19903, 32149, 99515, 136259, 160745, 220097, 681295, 1100485, 1771367, 2861261, 3786163, 8856835, 14306305, 18930815, 49220119, 246100595, 336968507, 1684842535, 4380590591, 21902952955]

約数ペア:

[(1, 21902952955), (5, 4380590591), (13, 1684842535), (65, 336968507), (89, 246100595), (445, 49220119), (1157, 18930815), (1531, 14306305), (2473, 8856835), (5785, 3786163), (7655, 2861261), (12365, 1771367), (19903, 1100485), (32149, 681295), (99515, 220097), (136259, 160745)]