21376446

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 36684354

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 47, 49, 51, 78, 91, 94, 98, 102, 119, 141, 147, 182, 221, 238, 273, 282, 294, 329, 343, 357, 442, 546, 611, 637, 658, 663, 686, 714, 799, 833, 987, 1029, 1222, 1274, 1326, 1547, 1598, 1666, 1833, 1911, 1974, 2058, 2303, 2397, 2499, 3094, 3666, 3822, 4277, 4459, 4606, 4641, 4794, 4998, 5593, 5831, 6909, 8554, 8918, 9282, 10387, 10829, 11186, 11662, 12831, 13377, 13818, 16121, 16779, 17493, 20774, 21658, 25662, 26754, 29939, 31161, 32242, 32487, 33558, 34986, 39151, 48363, 59878, 62322, 64974, 72709, 75803, 78302, 89817, 96726, 117453, 145418, 151606, 179634, 209573, 218127, 227409, 234906, 274057, 419146, 436254, 454818, 508963, 548114, 628719, 822171, 1017926, 1257438, 1526889, 1644342, 3053778, 3562741, 7125482, 10688223, 21376446]

約数ペア:

[(1, 21376446), (2, 10688223), (3, 7125482), (6, 3562741), (7, 3053778), (13, 1644342), (14, 1526889), (17, 1257438), (21, 1017926), (26, 822171), (34, 628719), (39, 548114), (42, 508963), (47, 454818), (49, 436254), (51, 419146), (78, 274057), (91, 234906), (94, 227409), (98, 218127), (102, 209573), (119, 179634), (141, 151606), (147, 145418), (182, 117453), (221, 96726), (238, 89817), (273, 78302), (282, 75803), (294, 72709), (329, 64974), (343, 62322), (357, 59878), (442, 48363), (546, 39151), (611, 34986), (637, 33558), (658, 32487), (663, 32242), (686, 31161), (714, 29939), (799, 26754), (833, 25662), (987, 21658), (1029, 20774), (1222, 17493), (1274, 16779), (1326, 16121), (1547, 13818), (1598, 13377), (1666, 12831), (1833, 11662), (1911, 11186), (1974, 10829), (2058, 10387), (2303, 9282), (2397, 8918), (2499, 8554), (3094, 6909), (3666, 5831), (3822, 5593), (4277, 4998), (4459, 4794), (4606, 4641)]