21083553790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{351803}}^1$

素因数の和:352284

約数の個数: 32

約数和(自身を含む): 40958428896

約数和(自身を除く): 19874875106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 461, 922, 2305, 4610, 5993, 11986, 29965, 59930, 351803, 703606, 1759015, 3518030, 4573439, 9146878, 22867195, 45734390, 162181183, 324362366, 810905915, 1621811830, 2108355379, 4216710758, 10541776895, 21083553790]

約数ペア:

[(1, 21083553790), (2, 10541776895), (5, 4216710758), (10, 2108355379), (13, 1621811830), (26, 810905915), (65, 324362366), (130, 162181183), (461, 45734390), (922, 22867195), (2305, 9146878), (4610, 4573439), (5993, 3518030), (11986, 1759015), (29965, 703606), (59930, 351803)]