21075104234

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{12473}}^1$

素因数の和:12782

約数の個数: 32

約数和(自身を含む): 32699044224

約数和(自身を除く): 11623939990

約数列:

[1, 2, 71, 73, 142, 146, 163, 326, 5183, 10366, 11573, 11899, 12473, 23146, 23798, 24946, 844829, 885583, 910529, 1689658, 1771166, 1821058, 2033099, 4066198, 64647559, 129295118, 144350029, 148416227, 288700058, 296832454, 10537552117, 21075104234]

約数ペア:

[(1, 21075104234), (2, 10537552117), (71, 296832454), (73, 288700058), (142, 148416227), (146, 144350029), (163, 129295118), (326, 64647559), (5183, 4066198), (10366, 2033099), (11573, 1821058), (11899, 1771166), (12473, 1689658), (23146, 910529), (23798, 885583), (24946, 844829)]