21000723292810

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{501330229}}^1$

素因数の和:501330366

約数の個数: 32

約数和(自身を含む): 38983438684800

約数和(自身を除く): 17982715391990

約数列:

[1, 2, 5, 10, 59, 71, 118, 142, 295, 355, 590, 710, 4189, 8378, 20945, 41890, 501330229, 1002660458, 2506651145, 5013302290, 29578483511, 35594446259, 59156967022, 71188892518, 147892417555, 177972231295, 295784835110, 355944462590, 2100072329281, 4200144658562, 10500361646405, 21000723292810]

約数ペア:

[(1, 21000723292810), (2, 10500361646405), (5, 4200144658562), (10, 2100072329281), (59, 355944462590), (71, 295784835110), (118, 177972231295), (142, 147892417555), (295, 71188892518), (355, 59156967022), (590, 35594446259), (710, 29578483511), (4189, 5013302290), (8378, 2506651145), (20945, 1002660458), (41890, 501330229)]