21843164

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 46791360

約数和(自身を除く): 24948196

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 109, 119, 218, 238, 421, 436, 476, 763, 842, 1526, 1684, 1853, 2947, 3052, 3706, 5894, 7157, 7412, 11788, 12971, 14314, 25942, 28628, 45889, 50099, 51884, 91778, 100198, 183556, 200396, 321223, 642446, 780113, 1284892, 1560226, 3120452, 5460791, 10921582, 21843164]

約数ペア:

[(1, 21843164), (2, 10921582), (4, 5460791), (7, 3120452), (14, 1560226), (17, 1284892), (28, 780113), (34, 642446), (68, 321223), (109, 200396), (119, 183556), (218, 100198), (238, 91778), (421, 51884), (436, 50099), (476, 45889), (763, 28628), (842, 25942), (1526, 14314), (1684, 12971), (1853, 11788), (2947, 7412), (3052, 7157), (3706, 5894)]