21697452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2969}}^1$

素因数の和:3015

約数の個数: 72

約数和(自身を含む): 64864800

約数和(自身を除く): 43167348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2969, 3654, 5938, 7308, 8907, 11876, 17814, 20783, 26721, 35628, 41566, 53442, 62349, 83132, 86101, 106884, 124698, 172202, 187047, 249396, 258303, 344404, 374094, 516606, 602707, 748188, 774909, 1033212, 1205414, 1549818, 1808121, 2410828, 3099636, 3616242, 5424363, 7232484, 10848726, 21697452]

約数ペア:

[(1, 21697452), (2, 10848726), (3, 7232484), (4, 5424363), (6, 3616242), (7, 3099636), (9, 2410828), (12, 1808121), (14, 1549818), (18, 1205414), (21, 1033212), (28, 774909), (29, 748188), (36, 602707), (42, 516606), (58, 374094), (63, 344404), (84, 258303), (87, 249396), (116, 187047), (126, 172202), (174, 124698), (203, 106884), (252, 86101), (261, 83132), (348, 62349), (406, 53442), (522, 41566), (609, 35628), (812, 26721), (1044, 20783), (1218, 17814), (1827, 11876), (2436, 8907), (2969, 7308), (3654, 5938)]