21342310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 45209664

約数和(自身を除く): 23867354

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 101, 110, 113, 170, 187, 202, 226, 374, 505, 565, 935, 1010, 1111, 1130, 1243, 1717, 1870, 1921, 2222, 2486, 3434, 3842, 5555, 6215, 8585, 9605, 11110, 11413, 12430, 17170, 18887, 19210, 21131, 22826, 37774, 42262, 57065, 94435, 105655, 114130, 125543, 188870, 194021, 211310, 251086, 388042, 627715, 970105, 1255430, 1940210, 2134231, 4268462, 10671155, 21342310]

約数ペア:

[(1, 21342310), (2, 10671155), (5, 4268462), (10, 2134231), (11, 1940210), (17, 1255430), (22, 970105), (34, 627715), (55, 388042), (85, 251086), (101, 211310), (110, 194021), (113, 188870), (170, 125543), (187, 114130), (202, 105655), (226, 94435), (374, 57065), (505, 42262), (565, 37774), (935, 22826), (1010, 21131), (1111, 19210), (1130, 18887), (1243, 17170), (1717, 12430), (1870, 11413), (1921, 11110), (2222, 9605), (2486, 8585), (3434, 6215), (3842, 5555)]