21304502

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 37134720

約数和(自身を除く): 15830218

約数列:

[1, 2, 17, 29, 31, 34, 41, 58, 62, 82, 289, 493, 527, 578, 697, 899, 986, 1054, 1189, 1271, 1394, 1798, 2378, 2542, 8381, 8959, 11849, 15283, 16762, 17918, 20213, 21607, 23698, 30566, 36859, 40426, 43214, 73718, 259811, 343621, 367319, 519622, 626603, 687242, 734638, 1253206, 10652251, 21304502]

約数ペア:

[(1, 21304502), (2, 10652251), (17, 1253206), (29, 734638), (31, 687242), (34, 626603), (41, 519622), (58, 367319), (62, 343621), (82, 259811), (289, 73718), (493, 43214), (527, 40426), (578, 36859), (697, 30566), (899, 23698), (986, 21607), (1054, 20213), (1189, 17918), (1271, 16762), (1394, 15283), (1798, 11849), (2378, 8959), (2542, 8381)]