21085164

素因数分解:

$2^2\times 3^3\times {\mathrm{101}}^1\times {\mathrm{1933}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 55235040

約数和(自身を除く): 34149876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 101, 108, 202, 303, 404, 606, 909, 1212, 1818, 1933, 2727, 3636, 3866, 5454, 5799, 7732, 10908, 11598, 17397, 23196, 34794, 52191, 69588, 104382, 195233, 208764, 390466, 585699, 780932, 1171398, 1757097, 2342796, 3514194, 5271291, 7028388, 10542582, 21085164]

約数ペア:

[(1, 21085164), (2, 10542582), (3, 7028388), (4, 5271291), (6, 3514194), (9, 2342796), (12, 1757097), (18, 1171398), (27, 780932), (36, 585699), (54, 390466), (101, 208764), (108, 195233), (202, 104382), (303, 69588), (404, 52191), (606, 34794), (909, 23196), (1212, 17397), (1818, 11598), (1933, 10908), (2727, 7732), (3636, 5799), (3866, 5454)]