21631504028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{265261}}^1$

素因数の和:265350

約数の個数: 48

約数和(自身を含む): 42335815200

約数和(自身を除く): 20704311172

約数列:

[1, 2, 4, 19, 29, 37, 38, 58, 74, 76, 116, 148, 551, 703, 1073, 1102, 1406, 2146, 2204, 2812, 4292, 20387, 40774, 81548, 265261, 530522, 1061044, 5039959, 7692569, 9814657, 10079918, 15385138, 19629314, 20159836, 30770276, 39258628, 146158811, 186478483, 284625053, 292317622, 372956966, 569250106, 584635244, 745913932, 1138500212, 5407876007, 10815752014, 21631504028]

約数ペア:

[(1, 21631504028), (2, 10815752014), (4, 5407876007), (19, 1138500212), (29, 745913932), (37, 584635244), (38, 569250106), (58, 372956966), (74, 292317622), (76, 284625053), (116, 186478483), (148, 146158811), (551, 39258628), (703, 30770276), (1073, 20159836), (1102, 19629314), (1406, 15385138), (2146, 10079918), (2204, 9814657), (2812, 7692569), (4292, 5039959), (20387, 1061044), (40774, 530522), (81548, 265261)]