21886046

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 20344114

約数列:

[1, 2, 7, 13, 14, 26, 41, 49, 82, 91, 98, 182, 287, 419, 533, 574, 637, 838, 1066, 1274, 2009, 2933, 3731, 4018, 5447, 5866, 7462, 10894, 17179, 20531, 26117, 34358, 38129, 41062, 52234, 76258, 120253, 223327, 240506, 266903, 446654, 533806, 841771, 1563289, 1683542, 3126578, 10943023, 21886046]

約数ペア:

[(1, 21886046), (2, 10943023), (7, 3126578), (13, 1683542), (14, 1563289), (26, 841771), (41, 533806), (49, 446654), (82, 266903), (91, 240506), (98, 223327), (182, 120253), (287, 76258), (419, 52234), (533, 41062), (574, 38129), (637, 34358), (838, 26117), (1066, 20531), (1274, 17179), (2009, 10894), (2933, 7462), (3731, 5866), (4018, 5447)]