21674830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2161}}^1$

素因数の和:2244

約数の個数: 32

約数和(自身を含む): 42029280

約数和(自身を除く): 20354450

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 590, 1003, 2006, 2161, 4322, 5015, 10030, 10805, 21610, 36737, 73474, 127499, 183685, 254998, 367370, 637495, 1274990, 2167483, 4334966, 10837415, 21674830]

約数ペア:

[(1, 21674830), (2, 10837415), (5, 4334966), (10, 2167483), (17, 1274990), (34, 637495), (59, 367370), (85, 254998), (118, 183685), (170, 127499), (295, 73474), (590, 36737), (1003, 21610), (2006, 10805), (2161, 10030), (4322, 5015)]