21000700058

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{21557}}^1$

素因数の和:22082

約数の個数: 32

約数和(自身を含む): 34388459280

約数和(自身を除く): 13387759222

約数列:

[1, 2, 13, 26, 89, 178, 421, 842, 1157, 2314, 5473, 10946, 21557, 37469, 43114, 74938, 280241, 487097, 560482, 974194, 1918573, 3837146, 9075497, 18150994, 24941449, 49882898, 117981461, 235962922, 807719233, 1615438466, 10500350029, 21000700058]

約数ペア:

[(1, 21000700058), (2, 10500350029), (13, 1615438466), (26, 807719233), (89, 235962922), (178, 117981461), (421, 49882898), (842, 24941449), (1157, 18150994), (2314, 9075497), (5473, 3837146), (10946, 1918573), (21557, 974194), (37469, 560482), (43114, 487097), (74938, 280241)]