21266172

素因数分解:

$2^2\times 3^3\times {\mathrm{223}}^1\times {\mathrm{883}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 55444480

約数和(自身を除く): 34178308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 223, 446, 669, 883, 892, 1338, 1766, 2007, 2649, 2676, 3532, 4014, 5298, 6021, 7947, 8028, 10596, 12042, 15894, 23841, 24084, 31788, 47682, 95364, 196909, 393818, 590727, 787636, 1181454, 1772181, 2362908, 3544362, 5316543, 7088724, 10633086, 21266172]

約数ペア:

[(1, 21266172), (2, 10633086), (3, 7088724), (4, 5316543), (6, 3544362), (9, 2362908), (12, 1772181), (18, 1181454), (27, 787636), (36, 590727), (54, 393818), (108, 196909), (223, 95364), (446, 47682), (669, 31788), (883, 24084), (892, 23841), (1338, 15894), (1766, 12042), (2007, 10596), (2649, 8028), (2676, 7947), (3532, 6021), (4014, 5298)]