21167266168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1117}}^1\times {\mathrm{139339}}^1$

素因数の和:140479

約数の個数: 32

約数和(自身を含む): 42061172400

約数和(自身を除く): 20893906232

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1117, 2234, 4468, 8936, 18989, 37978, 75956, 139339, 151912, 278678, 557356, 1114712, 2368763, 4737526, 9475052, 18950104, 155641663, 311283326, 622566652, 1245133304, 2645908271, 5291816542, 10583633084, 21167266168]

約数ペア:

[(1, 21167266168), (2, 10583633084), (4, 5291816542), (8, 2645908271), (17, 1245133304), (34, 622566652), (68, 311283326), (136, 155641663), (1117, 18950104), (2234, 9475052), (4468, 4737526), (8936, 2368763), (18989, 1114712), (37978, 557356), (75956, 278678), (139339, 151912)]