21986622

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{827}}^1$

素因数の和:1053

約数の個数: 48

約数和(自身を含む): 54767232

約数和(自身を除く): 32780610

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 211, 422, 633, 827, 1266, 1477, 1654, 1899, 2481, 2954, 3798, 4431, 4962, 5789, 7443, 8862, 11578, 13293, 14886, 17367, 26586, 34734, 52101, 104202, 174497, 348994, 523491, 1046982, 1221479, 1570473, 2442958, 3140946, 3664437, 7328874, 10993311, 21986622]

約数ペア:

[(1, 21986622), (2, 10993311), (3, 7328874), (6, 3664437), (7, 3140946), (9, 2442958), (14, 1570473), (18, 1221479), (21, 1046982), (42, 523491), (63, 348994), (126, 174497), (211, 104202), (422, 52101), (633, 34734), (827, 26586), (1266, 17367), (1477, 14886), (1654, 13293), (1899, 11578), (2481, 8862), (2954, 7443), (3798, 5789), (4431, 4962)]