21811238

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14113882

約数列:

[1, 2, 17, 34, 59, 83, 118, 131, 166, 262, 1003, 1411, 2006, 2227, 2822, 4454, 4897, 7729, 9794, 10873, 15458, 21746, 83249, 131393, 166498, 184841, 262786, 369682, 641507, 1283014, 10905619, 21811238]

約数ペア:

[(1, 21811238), (2, 10905619), (17, 1283014), (34, 641507), (59, 369682), (83, 262786), (118, 184841), (131, 166498), (166, 131393), (262, 83249), (1003, 21746), (1411, 15458), (2006, 10873), (2227, 9794), (2822, 7729), (4454, 4897)]