21795012

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8527}}^1$

素因数の和:8608

約数の個数: 36

約数和(自身を含む): 55875456

約数和(自身を除く): 34080444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8527, 17054, 25581, 34108, 51162, 76743, 102324, 153486, 306972, 605417, 1210834, 1816251, 2421668, 3632502, 5448753, 7265004, 10897506, 21795012]

約数ペア:

[(1, 21795012), (2, 10897506), (3, 7265004), (4, 5448753), (6, 3632502), (9, 2421668), (12, 1816251), (18, 1210834), (36, 605417), (71, 306972), (142, 153486), (213, 102324), (284, 76743), (426, 51162), (639, 34108), (852, 25581), (1278, 17054), (2556, 8527)]