21488187

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2617}}^1$

素因数の和:2667

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 14703045

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2617, 2737, 7851, 8211, 18319, 44489, 54957, 60191, 133467, 180573, 311423, 421337, 934269, 1023247, 1264011, 3069741, 7162729, 21488187]

約数ペア:

[(1, 21488187), (3, 7162729), (7, 3069741), (17, 1264011), (21, 1023247), (23, 934269), (51, 421337), (69, 311423), (119, 180573), (161, 133467), (357, 60191), (391, 54957), (483, 44489), (1173, 18319), (2617, 8211), (2737, 7851)]