21916674

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 51487800

約数和(自身を除く): 29571126

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 229, 234, 409, 458, 687, 818, 1227, 1374, 2061, 2454, 2977, 3681, 4122, 5317, 5954, 7362, 8931, 10634, 15951, 17862, 26793, 31902, 47853, 53586, 93661, 95706, 187322, 280983, 561966, 842949, 1217593, 1685898, 2435186, 3652779, 7305558, 10958337, 21916674]

約数ペア:

[(1, 21916674), (2, 10958337), (3, 7305558), (6, 3652779), (9, 2435186), (13, 1685898), (18, 1217593), (26, 842949), (39, 561966), (78, 280983), (117, 187322), (229, 95706), (234, 93661), (409, 53586), (458, 47853), (687, 31902), (818, 26793), (1227, 17862), (1374, 15951), (2061, 10634), (2454, 8931), (2977, 7362), (3681, 5954), (4122, 5317)]