21167265855

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2861}}^1\times {\mathrm{6947}}^1$

素因数の和:9887

約数の個数: 32

約数和(自身を含む): 34361584128

約数和(自身を除く): 13194318273

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 2861, 6947, 8583, 14305, 20841, 34735, 42915, 104205, 203131, 493237, 609393, 1015655, 1479711, 2466185, 3046965, 7398555, 19875367, 59626101, 99376835, 298130505, 1411151057, 4233453171, 7055755285, 21167265855]

約数ペア:

[(1, 21167265855), (3, 7055755285), (5, 4233453171), (15, 1411151057), (71, 298130505), (213, 99376835), (355, 59626101), (1065, 19875367), (2861, 7398555), (6947, 3046965), (8583, 2466185), (14305, 1479711), (20841, 1015655), (34735, 609393), (42915, 493237), (104205, 203131)]