21095526133

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 25023651840

約数和(自身を除く): 3928125707

約数列:

[1, 11, 31, 43, 67, 109, 197, 341, 473, 737, 1199, 1333, 2077, 2167, 2881, 3379, 4687, 6107, 7303, 8471, 13199, 14663, 21473, 22847, 31691, 37169, 51557, 67177, 80333, 89311, 93181, 145189, 145297, 226393, 236203, 262601, 314029, 409169, 567557, 665663, 923339, 982421, 1438691, 1598267, 2490323, 2888611, 3454319, 4500859, 6243127, 7322293, 9734899, 10156729, 15825601, 17594267, 28623509, 44599421, 61863713, 107083889, 193536937, 314858599, 490593631, 680500843, 1917775103, 21095526133]

約数ペア:

[(1, 21095526133), (11, 1917775103), (31, 680500843), (43, 490593631), (67, 314858599), (109, 193536937), (197, 107083889), (341, 61863713), (473, 44599421), (737, 28623509), (1199, 17594267), (1333, 15825601), (2077, 10156729), (2167, 9734899), (2881, 7322293), (3379, 6243127), (4687, 4500859), (6107, 3454319), (7303, 2888611), (8471, 2490323), (13199, 1598267), (14663, 1438691), (21473, 982421), (22847, 923339), (31691, 665663), (37169, 567557), (51557, 409169), (67177, 314029), (80333, 262601), (89311, 236203), (93181, 226393), (145189, 145297)]