21242342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 15823258

約数列:

[1, 2, 11, 19, 22, 38, 89, 178, 209, 418, 571, 979, 1142, 1691, 1958, 3382, 6281, 10849, 12562, 18601, 21698, 37202, 50819, 101638, 119339, 238678, 559009, 965561, 1118018, 1931122, 10621171, 21242342]

約数ペア:

[(1, 21242342), (2, 10621171), (11, 1931122), (19, 1118018), (22, 965561), (38, 559009), (89, 238678), (178, 119339), (209, 101638), (418, 50819), (571, 37202), (979, 21698), (1142, 18601), (1691, 12562), (1958, 10849), (3382, 6281)]