21549892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 47108992

約数和(自身を除く): 25559100

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 146, 182, 292, 364, 511, 811, 949, 1022, 1622, 1898, 2044, 3244, 3796, 5677, 6643, 10543, 11354, 13286, 21086, 22708, 26572, 42172, 59203, 73801, 118406, 147602, 236812, 295204, 414421, 769639, 828842, 1539278, 1657684, 3078556, 5387473, 10774946, 21549892]

約数ペア:

[(1, 21549892), (2, 10774946), (4, 5387473), (7, 3078556), (13, 1657684), (14, 1539278), (26, 828842), (28, 769639), (52, 414421), (73, 295204), (91, 236812), (146, 147602), (182, 118406), (292, 73801), (364, 59203), (511, 42172), (811, 26572), (949, 22708), (1022, 21086), (1622, 13286), (1898, 11354), (2044, 10543), (3244, 6643), (3796, 5677)]