21322098

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1071

約数の個数: 48

約数和(自身を含む): 53127360

約数和(自身を除く): 31805262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 197, 394, 591, 859, 1182, 1379, 1718, 1773, 2577, 2758, 3546, 4137, 5154, 6013, 7731, 8274, 12026, 12411, 15462, 18039, 24822, 36078, 54117, 108234, 169223, 338446, 507669, 1015338, 1184561, 1523007, 2369122, 3046014, 3553683, 7107366, 10661049, 21322098]

約数ペア:

[(1, 21322098), (2, 10661049), (3, 7107366), (6, 3553683), (7, 3046014), (9, 2369122), (14, 1523007), (18, 1184561), (21, 1015338), (42, 507669), (63, 338446), (126, 169223), (197, 108234), (394, 54117), (591, 36078), (859, 24822), (1182, 18039), (1379, 15462), (1718, 12411), (1773, 12026), (2577, 8274), (2758, 7731), (3546, 6013), (4137, 5154)]