21459018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26891}}^1$

素因数の和:26922

約数の個数: 32

約数和(自身を含む): 51632640

約数和(自身を除く): 30173622

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26891, 53782, 80673, 161346, 188237, 376474, 510929, 564711, 1021858, 1129422, 1532787, 3065574, 3576503, 7153006, 10729509, 21459018]

約数ペア:

[(1, 21459018), (2, 10729509), (3, 7153006), (6, 3576503), (7, 3065574), (14, 1532787), (19, 1129422), (21, 1021858), (38, 564711), (42, 510929), (57, 376474), (114, 188237), (133, 161346), (266, 80673), (399, 53782), (798, 26891)]