21037545950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5325961}}^1$

素因数の和:5326052

約数の個数: 24

約数和(自身を含む): 39625157280

約数和(自身を除く): 18587611330

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 5325961, 10651922, 26629805, 53259610, 133149025, 266298050, 420750919, 841501838, 2103754595, 4207509190, 10518772975, 21037545950]

約数ペア:

[(1, 21037545950), (2, 10518772975), (5, 4207509190), (10, 2103754595), (25, 841501838), (50, 420750919), (79, 266298050), (158, 133149025), (395, 53259610), (790, 26629805), (1975, 10651922), (3950, 5325961)]