16921926

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 26623674

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 89, 126, 178, 189, 267, 378, 503, 534, 623, 801, 1006, 1246, 1509, 1602, 1869, 2403, 3018, 3521, 3738, 4527, 4806, 5607, 7042, 9054, 10563, 11214, 13581, 16821, 21126, 27162, 31689, 33642, 44767, 63378, 89534, 95067, 134301, 190134, 268602, 313369, 402903, 626738, 805806, 940107, 1208709, 1880214, 2417418, 2820321, 5640642, 8460963, 16921926]

約数ペア:

[(1, 16921926), (2, 8460963), (3, 5640642), (6, 2820321), (7, 2417418), (9, 1880214), (14, 1208709), (18, 940107), (21, 805806), (27, 626738), (42, 402903), (54, 313369), (63, 268602), (89, 190134), (126, 134301), (178, 95067), (189, 89534), (267, 63378), (378, 44767), (503, 33642), (534, 31689), (623, 27162), (801, 21126), (1006, 16821), (1246, 13581), (1509, 11214), (1602, 10563), (1869, 9054), (2403, 7042), (3018, 5607), (3521, 4806), (3738, 4527)]