21668364

素因数分解:

$2^2\times 3^3\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 56444640

約数和(自身を除く): 34776276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 313, 626, 641, 939, 1252, 1282, 1878, 1923, 2564, 2817, 3756, 3846, 5634, 5769, 7692, 8451, 11268, 11538, 16902, 17307, 23076, 33804, 34614, 69228, 200633, 401266, 601899, 802532, 1203798, 1805697, 2407596, 3611394, 5417091, 7222788, 10834182, 21668364]

約数ペア:

[(1, 21668364), (2, 10834182), (3, 7222788), (4, 5417091), (6, 3611394), (9, 2407596), (12, 1805697), (18, 1203798), (27, 802532), (36, 601899), (54, 401266), (108, 200633), (313, 69228), (626, 34614), (641, 33804), (939, 23076), (1252, 17307), (1282, 16902), (1878, 11538), (1923, 11268), (2564, 8451), (2817, 7692), (3756, 5769), (3846, 5634)]