21251380156

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1\times {\mathrm{1873}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 38233198080

約数和(自身を除く): 16981817924

約数列:

[1, 2, 4, 59, 118, 131, 236, 262, 367, 524, 734, 1468, 1873, 3746, 7492, 7729, 15458, 21653, 30916, 43306, 48077, 86612, 96154, 110507, 192308, 221014, 245363, 442028, 490726, 687391, 981452, 1374782, 2749564, 2836543, 5673086, 11346172, 14476417, 28952834, 40556069, 57905668, 81112138, 90048221, 162224276, 180096442, 360192884, 5312845039, 10625690078, 21251380156]

約数ペア:

[(1, 21251380156), (2, 10625690078), (4, 5312845039), (59, 360192884), (118, 180096442), (131, 162224276), (236, 90048221), (262, 81112138), (367, 57905668), (524, 40556069), (734, 28952834), (1468, 14476417), (1873, 11346172), (3746, 5673086), (7492, 2836543), (7729, 2749564), (15458, 1374782), (21653, 981452), (30916, 687391), (43306, 490726), (48077, 442028), (86612, 245363), (96154, 221014), (110507, 192308)]