21550074

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1415

約数の個数: 64

約数和(自身を含む): 54915840

約数和(自身を除く): 33365766

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1218, 1361, 2262, 2639, 2722, 4083, 5278, 7917, 8166, 9527, 15834, 17693, 19054, 28581, 35386, 39469, 53079, 57162, 78938, 106158, 118407, 123851, 236814, 247702, 276283, 371553, 513097, 552566, 743106, 828849, 1026194, 1539291, 1657698, 3078582, 3591679, 7183358, 10775037, 21550074]

約数ペア:

[(1, 21550074), (2, 10775037), (3, 7183358), (6, 3591679), (7, 3078582), (13, 1657698), (14, 1539291), (21, 1026194), (26, 828849), (29, 743106), (39, 552566), (42, 513097), (58, 371553), (78, 276283), (87, 247702), (91, 236814), (174, 123851), (182, 118407), (203, 106158), (273, 78938), (377, 57162), (406, 53079), (546, 39469), (609, 35386), (754, 28581), (1131, 19054), (1218, 17693), (1361, 15834), (2262, 9527), (2639, 8166), (2722, 7917), (4083, 5278)]