21861207654

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{8117}}^1$

素因数の和:8262

約数の個数: 128

約数和(自身を含む): 53287331328

約数和(自身を除く): 31426123674

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 43, 66, 73, 78, 86, 129, 143, 146, 219, 258, 286, 429, 438, 473, 559, 803, 858, 946, 949, 1118, 1419, 1606, 1677, 1898, 2409, 2838, 2847, 3139, 3354, 4818, 5694, 6149, 6278, 8117, 9417, 10439, 12298, 16234, 18447, 18834, 20878, 24351, 31317, 34529, 36894, 40807, 48702, 62634, 69058, 81614, 89287, 103587, 105521, 122421, 178574, 207174, 211042, 244842, 267861, 316563, 349031, 448877, 535722, 592541, 633126, 698062, 897754, 1047093, 1160731, 1185082, 1346631, 1777623, 2094186, 2321462, 2693262, 3482193, 3555246, 3839341, 4537403, 6517951, 6964386, 7678682, 7703033, 9074806, 11518023, 13035902, 13612209, 15406066, 19553853, 23036046, 23109099, 25479263, 27224418, 39107706, 46218198, 49911433, 50958526, 76437789, 84733363, 99822866, 149734299, 152875578, 169466726, 254200089, 280271893, 299468598, 331230419, 508400178, 560543786, 662460838, 840815679, 993691257, 1681631358, 1987382514, 3643534609, 7287069218, 10930603827, 21861207654]

約数ペア:

[(1, 21861207654), (2, 10930603827), (3, 7287069218), (6, 3643534609), (11, 1987382514), (13, 1681631358), (22, 993691257), (26, 840815679), (33, 662460838), (39, 560543786), (43, 508400178), (66, 331230419), (73, 299468598), (78, 280271893), (86, 254200089), (129, 169466726), (143, 152875578), (146, 149734299), (219, 99822866), (258, 84733363), (286, 76437789), (429, 50958526), (438, 49911433), (473, 46218198), (559, 39107706), (803, 27224418), (858, 25479263), (946, 23109099), (949, 23036046), (1118, 19553853), (1419, 15406066), (1606, 13612209), (1677, 13035902), (1898, 11518023), (2409, 9074806), (2838, 7703033), (2847, 7678682), (3139, 6964386), (3354, 6517951), (4818, 4537403), (5694, 3839341), (6149, 3555246), (6278, 3482193), (8117, 2693262), (9417, 2321462), (10439, 2094186), (12298, 1777623), (16234, 1346631), (18447, 1185082), (18834, 1160731), (20878, 1047093), (24351, 897754), (31317, 698062), (34529, 633126), (36894, 592541), (40807, 535722), (48702, 448877), (62634, 349031), (69058, 316563), (81614, 267861), (89287, 244842), (103587, 211042), (105521, 207174), (122421, 178574)]