21193018

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7243}}^1$

素因数の和:7282

約数の個数: 32

約数和(自身を含む): 41725440

約数和(自身を除く): 20532422

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 7243, 14486, 50701, 79673, 101402, 137617, 159346, 275234, 557711, 963319, 1115422, 1513787, 1926638, 3027574, 10596509, 21193018]

約数ペア:

[(1, 21193018), (2, 10596509), (7, 3027574), (11, 1926638), (14, 1513787), (19, 1115422), (22, 963319), (38, 557711), (77, 275234), (133, 159346), (154, 137617), (209, 101402), (266, 79673), (418, 50701), (1463, 14486), (2926, 7243)]