21249650

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3761}}^1$

素因数の和:3886

約数の個数: 24

約数和(自身を含む): 39884724

約数和(自身を除く): 18635074

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3761, 5650, 7522, 18805, 37610, 94025, 188050, 424993, 849986, 2124965, 4249930, 10624825, 21249650]

約数ペア:

[(1, 21249650), (2, 10624825), (5, 4249930), (10, 2124965), (25, 849986), (50, 424993), (113, 188050), (226, 94025), (565, 37610), (1130, 18805), (2825, 7522), (3761, 5650)]