21613683

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1931}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 36352512

約数和(自身を除く): 14738829

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 1931, 3731, 5793, 11193, 13517, 25103, 40551, 75309, 79171, 175721, 237513, 527163, 554197, 1029223, 1662591, 3087669, 7204561, 21613683]

約数ペア:

[(1, 21613683), (3, 7204561), (7, 3087669), (13, 1662591), (21, 1029223), (39, 554197), (41, 527163), (91, 237513), (123, 175721), (273, 79171), (287, 75309), (533, 40551), (861, 25103), (1599, 13517), (1931, 11193), (3731, 5793)]