21337164

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^2\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 54

約数和(自身を含む): 55232996

約数和(自身を除く): 33895832

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 211, 212, 318, 422, 477, 633, 636, 844, 954, 1266, 1899, 1908, 2532, 2809, 3798, 5618, 7596, 8427, 11183, 11236, 16854, 22366, 25281, 33549, 33708, 44732, 50562, 67098, 100647, 101124, 134196, 201294, 402588, 592699, 1185398, 1778097, 2370796, 3556194, 5334291, 7112388, 10668582, 21337164]

約数ペア:

[(1, 21337164), (2, 10668582), (3, 7112388), (4, 5334291), (6, 3556194), (9, 2370796), (12, 1778097), (18, 1185398), (36, 592699), (53, 402588), (106, 201294), (159, 134196), (211, 101124), (212, 100647), (318, 67098), (422, 50562), (477, 44732), (633, 33708), (636, 33549), (844, 25281), (954, 22366), (1266, 16854), (1899, 11236), (1908, 11183), (2532, 8427), (2809, 7596), (3798, 5618)]