21169318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 34953120

約数和(自身を除く): 13783802

約数列:

[1, 2, 17, 34, 59, 61, 118, 122, 173, 346, 1003, 1037, 2006, 2074, 2941, 3599, 5882, 7198, 10207, 10553, 20414, 21106, 61183, 122366, 173519, 179401, 347038, 358802, 622627, 1245254, 10584659, 21169318]

約数ペア:

[(1, 21169318), (2, 10584659), (17, 1245254), (34, 622627), (59, 358802), (61, 347038), (118, 179401), (122, 173519), (173, 122366), (346, 61183), (1003, 21106), (1037, 20414), (2006, 10553), (2074, 10207), (2941, 7198), (3599, 5882)]