21776776

素因数分解:

$2^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 48211740

約数和(自身を除く): 26434964

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 196, 292, 392, 511, 584, 761, 1022, 1522, 2044, 3044, 3577, 4088, 5327, 6088, 7154, 10654, 14308, 21308, 28616, 37289, 42616, 55553, 74578, 111106, 149156, 222212, 298312, 388871, 444424, 777742, 1555484, 2722097, 3110968, 5444194, 10888388, 21776776]

約数ペア:

[(1, 21776776), (2, 10888388), (4, 5444194), (7, 3110968), (8, 2722097), (14, 1555484), (28, 777742), (49, 444424), (56, 388871), (73, 298312), (98, 222212), (146, 149156), (196, 111106), (292, 74578), (392, 55553), (511, 42616), (584, 37289), (761, 28616), (1022, 21308), (1522, 14308), (2044, 10654), (3044, 7154), (3577, 6088), (4088, 5327)]