21906480250

素因数分解:

$2^1\times 5^3\times {\mathrm{3931}}^1\times {\mathrm{22291}}^1$

素因数の和:26239

約数の個数: 32

約数和(自身を含む): 41021203392

約数和(自身を除く): 19114723142

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 3931, 7862, 19655, 22291, 39310, 44582, 98275, 111455, 196550, 222910, 491375, 557275, 982750, 1114550, 2786375, 5572750, 87625921, 175251842, 438129605, 876259210, 2190648025, 4381296050, 10953240125, 21906480250]

約数ペア:

[(1, 21906480250), (2, 10953240125), (5, 4381296050), (10, 2190648025), (25, 876259210), (50, 438129605), (125, 175251842), (250, 87625921), (3931, 5572750), (7862, 2786375), (19655, 1114550), (22291, 982750), (39310, 557275), (44582, 491375), (98275, 222910), (111455, 196550)]