21000891244

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{11483}}^1$

素因数の和:11806

約数の個数: 48

約数和(自身を含む): 38925798912

約数和(自身を除く): 17924907668

約数列:

[1, 2, 4, 23, 46, 92, 103, 193, 206, 386, 412, 772, 2369, 4439, 4738, 8878, 9476, 11483, 17756, 19879, 22966, 39758, 45932, 79516, 264109, 457217, 528218, 914434, 1056436, 1182749, 1828868, 2216219, 2365498, 4432438, 4730996, 8864876, 27203227, 50973037, 54406454, 101946074, 108812908, 203892148, 228270557, 456541114, 913082228, 5250222811, 10500445622, 21000891244]

約数ペア:

[(1, 21000891244), (2, 10500445622), (4, 5250222811), (23, 913082228), (46, 456541114), (92, 228270557), (103, 203892148), (193, 108812908), (206, 101946074), (386, 54406454), (412, 50973037), (772, 27203227), (2369, 8864876), (4439, 4730996), (4738, 4432438), (8878, 2365498), (9476, 2216219), (11483, 1828868), (17756, 1182749), (19879, 1056436), (22966, 914434), (39758, 528218), (45932, 457217), (79516, 264109)]