21905156768

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1681907}}^1$

素因数の和:1681965

約数の個数: 48

約数和(自身を含む): 48317853024

約数和(自身を除く): 26412696256

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 148, 176, 296, 352, 407, 592, 814, 1184, 1628, 3256, 6512, 13024, 1681907, 3363814, 6727628, 13455256, 18500977, 26910512, 37001954, 53821024, 62230559, 74003908, 124461118, 148007816, 248922236, 296015632, 497844472, 592031264, 684536149, 995688944, 1369072298, 1991377888, 2738144596, 5476289192, 10952578384, 21905156768]

約数ペア:

[(1, 21905156768), (2, 10952578384), (4, 5476289192), (8, 2738144596), (11, 1991377888), (16, 1369072298), (22, 995688944), (32, 684536149), (37, 592031264), (44, 497844472), (74, 296015632), (88, 248922236), (148, 148007816), (176, 124461118), (296, 74003908), (352, 62230559), (407, 53821024), (592, 37001954), (814, 26910512), (1184, 18500977), (1628, 13455256), (3256, 6727628), (6512, 3363814), (13024, 1681907)]