21276234

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1435

約数の個数: 48

約数和(自身を含む): 53127360

約数和(自身を除く): 31851126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1289, 1834, 2358, 2578, 2751, 3867, 5502, 7734, 8253, 9023, 11601, 16506, 18046, 23202, 27069, 54138, 81207, 162414, 168859, 337718, 506577, 1013154, 1182013, 1519731, 2364026, 3039462, 3546039, 7092078, 10638117, 21276234]

約数ペア:

[(1, 21276234), (2, 10638117), (3, 7092078), (6, 3546039), (7, 3039462), (9, 2364026), (14, 1519731), (18, 1182013), (21, 1013154), (42, 506577), (63, 337718), (126, 168859), (131, 162414), (262, 81207), (393, 54138), (786, 27069), (917, 23202), (1179, 18046), (1289, 16506), (1834, 11601), (2358, 9023), (2578, 8253), (2751, 7734), (3867, 5502)]