21196332

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 56347200

約数和(自身を除く): 35150868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 79, 87, 116, 158, 174, 237, 257, 261, 316, 348, 474, 514, 522, 711, 771, 948, 1028, 1044, 1422, 1542, 2291, 2313, 2844, 3084, 4582, 4626, 6873, 7453, 9164, 9252, 13746, 14906, 20303, 20619, 22359, 27492, 29812, 40606, 41238, 44718, 60909, 67077, 81212, 82476, 89436, 121818, 134154, 182727, 243636, 268308, 365454, 588787, 730908, 1177574, 1766361, 2355148, 3532722, 5299083, 7065444, 10598166, 21196332]

約数ペア:

[(1, 21196332), (2, 10598166), (3, 7065444), (4, 5299083), (6, 3532722), (9, 2355148), (12, 1766361), (18, 1177574), (29, 730908), (36, 588787), (58, 365454), (79, 268308), (87, 243636), (116, 182727), (158, 134154), (174, 121818), (237, 89436), (257, 82476), (261, 81212), (316, 67077), (348, 60909), (474, 44718), (514, 41238), (522, 40606), (711, 29812), (771, 27492), (948, 22359), (1028, 20619), (1044, 20303), (1422, 14906), (1542, 13746), (2291, 9252), (2313, 9164), (2844, 7453), (3084, 6873), (4582, 4626)]