21826168

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4283}}^1$

素因数の和:4316

約数の個数: 48

約数和(自身を含む): 51279480

約数和(自身を除く): 29453312

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 4283, 5096, 8566, 17132, 29981, 34264, 55679, 59962, 111358, 119924, 209867, 222716, 239848, 389753, 419734, 445432, 779506, 839468, 1559012, 1678936, 2728271, 3118024, 5456542, 10913084, 21826168]

約数ペア:

[(1, 21826168), (2, 10913084), (4, 5456542), (7, 3118024), (8, 2728271), (13, 1678936), (14, 1559012), (26, 839468), (28, 779506), (49, 445432), (52, 419734), (56, 389753), (91, 239848), (98, 222716), (104, 209867), (182, 119924), (196, 111358), (364, 59962), (392, 55679), (637, 34264), (728, 29981), (1274, 17132), (2548, 8566), (4283, 5096)]