21994544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9613}}^1$

素因数の和:9645

約数の個数: 40

約数和(自身を含む): 50069712

約数和(自身を除く): 28075168

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9613, 19226, 38452, 76904, 105743, 124969, 153808, 211486, 249938, 422972, 499876, 845944, 999752, 1374659, 1691888, 1999504, 2749318, 5498636, 10997272, 21994544]

約数ペア:

[(1, 21994544), (2, 10997272), (4, 5498636), (8, 2749318), (11, 1999504), (13, 1691888), (16, 1374659), (22, 999752), (26, 845944), (44, 499876), (52, 422972), (88, 249938), (104, 211486), (143, 153808), (176, 124969), (208, 105743), (286, 76904), (572, 38452), (1144, 19226), (2288, 9613)]