21167406

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:92

約数の個数: 120

約数和(自身を含む): 56206920

約数和(自身を除く): 35039514

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 23, 26, 27, 38, 39, 46, 54, 57, 69, 78, 81, 114, 117, 138, 162, 171, 207, 234, 247, 299, 342, 351, 414, 437, 494, 513, 529, 598, 621, 702, 741, 874, 897, 1026, 1053, 1058, 1242, 1311, 1482, 1539, 1587, 1794, 1863, 2106, 2223, 2622, 2691, 3078, 3174, 3726, 3933, 4446, 4761, 5382, 5681, 6669, 6877, 7866, 8073, 9522, 10051, 11362, 11799, 13338, 13754, 14283, 16146, 17043, 20007, 20102, 20631, 23598, 24219, 28566, 30153, 34086, 35397, 40014, 41262, 42849, 48438, 51129, 60306, 61893, 70794, 85698, 90459, 102258, 123786, 130663, 153387, 180918, 185679, 261326, 271377, 306774, 371358, 391989, 460161, 542754, 557037, 783978, 814131, 920322, 1114074, 1175967, 1628262, 2351934, 3527901, 7055802, 10583703, 21167406]

約数ペア:

[(1, 21167406), (2, 10583703), (3, 7055802), (6, 3527901), (9, 2351934), (13, 1628262), (18, 1175967), (19, 1114074), (23, 920322), (26, 814131), (27, 783978), (38, 557037), (39, 542754), (46, 460161), (54, 391989), (57, 371358), (69, 306774), (78, 271377), (81, 261326), (114, 185679), (117, 180918), (138, 153387), (162, 130663), (171, 123786), (207, 102258), (234, 90459), (247, 85698), (299, 70794), (342, 61893), (351, 60306), (414, 51129), (437, 48438), (494, 42849), (513, 41262), (529, 40014), (598, 35397), (621, 34086), (702, 30153), (741, 28566), (874, 24219), (897, 23598), (1026, 20631), (1053, 20102), (1058, 20007), (1242, 17043), (1311, 16146), (1482, 14283), (1539, 13754), (1587, 13338), (1794, 11799), (1863, 11362), (2106, 10051), (2223, 9522), (2622, 8073), (2691, 7866), (3078, 6877), (3174, 6669), (3726, 5681), (3933, 5382), (4446, 4761)]