21978762

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6553}}^1$

素因数の和:6614

約数の個数: 32

約数和(自身を含む): 48447168

約数和(自身を除く): 26468406

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6553, 13106, 19659, 39318, 85189, 170378, 255567, 281779, 511134, 563558, 845337, 1690674, 3663127, 7326254, 10989381, 21978762]

約数ペア:

[(1, 21978762), (2, 10989381), (3, 7326254), (6, 3663127), (13, 1690674), (26, 845337), (39, 563558), (43, 511134), (78, 281779), (86, 255567), (129, 170378), (258, 85189), (559, 39318), (1118, 19659), (1677, 13106), (3354, 6553)]