21905034

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 47187360

約数和(自身を除く): 25282326

約数列:

[1, 2, 3, 6, 29, 31, 58, 62, 87, 93, 131, 174, 186, 262, 393, 786, 899, 961, 1798, 1922, 2697, 2883, 3799, 4061, 5394, 5766, 7598, 8122, 11397, 12183, 22794, 24366, 27869, 55738, 83607, 117769, 125891, 167214, 235538, 251782, 353307, 377673, 706614, 755346, 3650839, 7301678, 10952517, 21905034]

約数ペア:

[(1, 21905034), (2, 10952517), (3, 7301678), (6, 3650839), (29, 755346), (31, 706614), (58, 377673), (62, 353307), (87, 251782), (93, 235538), (131, 167214), (174, 125891), (186, 117769), (262, 83607), (393, 55738), (786, 27869), (899, 24366), (961, 22794), (1798, 12183), (1922, 11397), (2697, 8122), (2883, 7598), (3799, 5766), (4061, 5394)]