21133926

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 52392960

約数和(自身を除く): 31259034

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 47, 54, 66, 94, 99, 141, 198, 282, 297, 423, 517, 594, 757, 846, 1034, 1269, 1514, 1551, 2271, 2538, 3102, 4542, 4653, 6813, 8327, 9306, 13626, 13959, 16654, 20439, 24981, 27918, 35579, 40878, 49962, 71158, 74943, 106737, 149886, 213474, 224829, 320211, 391369, 449658, 640422, 782738, 960633, 1174107, 1921266, 2348214, 3522321, 7044642, 10566963, 21133926]

約数ペア:

[(1, 21133926), (2, 10566963), (3, 7044642), (6, 3522321), (9, 2348214), (11, 1921266), (18, 1174107), (22, 960633), (27, 782738), (33, 640422), (47, 449658), (54, 391369), (66, 320211), (94, 224829), (99, 213474), (141, 149886), (198, 106737), (282, 74943), (297, 71158), (423, 49962), (517, 40878), (594, 35579), (757, 27918), (846, 24981), (1034, 20439), (1269, 16654), (1514, 13959), (1551, 13626), (2271, 9306), (2538, 8327), (3102, 6813), (4542, 4653)]