21272602

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 36061200

約数和(自身を除く): 14788598

約数列:

[1, 2, 13, 26, 29, 58, 89, 178, 317, 377, 634, 754, 1157, 2314, 2581, 4121, 5162, 8242, 9193, 18386, 28213, 33553, 56426, 67106, 119509, 239018, 366769, 733538, 818177, 1636354, 10636301, 21272602]

約数ペア:

[(1, 21272602), (2, 10636301), (13, 1636354), (26, 818177), (29, 733538), (58, 366769), (89, 239018), (178, 119509), (317, 67106), (377, 56426), (634, 33553), (754, 28213), (1157, 18386), (2314, 9193), (2581, 8242), (4121, 5162)]