21374357344

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1901}}^1\times {\mathrm{18493}}^1$

素因数の和:20423

約数の個数: 48

約数和(自身を含む): 44321240880

約数和(自身を除く): 22946883536

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1901, 3802, 7604, 15208, 18493, 30416, 36119, 36986, 60832, 72238, 73972, 144476, 147944, 288952, 295888, 351367, 577904, 591776, 702734, 1155808, 1405468, 2810936, 5621872, 11243744, 35155193, 70310386, 140620772, 281241544, 562483088, 667948667, 1124966176, 1335897334, 2671794668, 5343589336, 10687178672, 21374357344]

約数ペア:

[(1, 21374357344), (2, 10687178672), (4, 5343589336), (8, 2671794668), (16, 1335897334), (19, 1124966176), (32, 667948667), (38, 562483088), (76, 281241544), (152, 140620772), (304, 70310386), (608, 35155193), (1901, 11243744), (3802, 5621872), (7604, 2810936), (15208, 1405468), (18493, 1155808), (30416, 702734), (36119, 591776), (36986, 577904), (60832, 351367), (72238, 295888), (73972, 288952), (144476, 147944)]