21081750508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1868287}}^1$

素因数の和:1868342

約数の個数: 48

約数和(自身を含む): 46871609344

約数和(自身を除く): 25789858836

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 1868287, 3736574, 7473148, 13078009, 24287731, 26156018, 48575462, 52312036, 57916897, 97150924, 115833794, 170014117, 231667588, 340028234, 405418279, 680056468, 752919661, 810836558, 1505839322, 1621673116, 3011678644, 5270437627, 10540875254, 21081750508]

約数ペア:

[(1, 21081750508), (2, 10540875254), (4, 5270437627), (7, 3011678644), (13, 1621673116), (14, 1505839322), (26, 810836558), (28, 752919661), (31, 680056468), (52, 405418279), (62, 340028234), (91, 231667588), (124, 170014117), (182, 115833794), (217, 97150924), (364, 57916897), (403, 52312036), (434, 48575462), (806, 26156018), (868, 24287731), (1612, 13078009), (2821, 7473148), (5642, 3736574), (11284, 1868287)]