21722838

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{212969}}^1$

素因数の和:212991

約数の個数: 16

約数和(自身を含む): 46001520

約数和(自身を除く): 24278682

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 212969, 425938, 638907, 1277814, 3620473, 7240946, 10861419, 21722838]

約数ペア:

[(1, 21722838), (2, 10861419), (3, 7240946), (6, 3620473), (17, 1277814), (34, 638907), (51, 425938), (102, 212969)]