21542274

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 80

約数和(自身を含む): 53239032

約数和(自身を除く): 31696758

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 81, 106, 117, 159, 162, 193, 234, 318, 351, 386, 477, 579, 689, 702, 954, 1053, 1158, 1378, 1431, 1737, 2067, 2106, 2509, 2862, 3474, 4134, 4293, 5018, 5211, 6201, 7527, 8586, 10229, 10422, 12402, 15054, 15633, 18603, 20458, 22581, 30687, 31266, 37206, 45162, 55809, 61374, 67743, 92061, 111618, 132977, 135486, 184122, 203229, 265954, 276183, 398931, 406458, 552366, 797862, 828549, 1196793, 1657098, 2393586, 3590379, 7180758, 10771137, 21542274]

約数ペア:

[(1, 21542274), (2, 10771137), (3, 7180758), (6, 3590379), (9, 2393586), (13, 1657098), (18, 1196793), (26, 828549), (27, 797862), (39, 552366), (53, 406458), (54, 398931), (78, 276183), (81, 265954), (106, 203229), (117, 184122), (159, 135486), (162, 132977), (193, 111618), (234, 92061), (318, 67743), (351, 61374), (386, 55809), (477, 45162), (579, 37206), (689, 31266), (702, 30687), (954, 22581), (1053, 20458), (1158, 18603), (1378, 15633), (1431, 15054), (1737, 12402), (2067, 10422), (2106, 10229), (2509, 8586), (2862, 7527), (3474, 6201), (4134, 5211), (4293, 5018)]