21210426567

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1811}}^1\times {\mathrm{6959}}^1$

素因数の和:8804

約数の個数: 48

約数和(自身を含む): 35413148160

約数和(自身を除く): 14202721593

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 1811, 5433, 6959, 16299, 19921, 20877, 30787, 59763, 62631, 76549, 92361, 118303, 179289, 229647, 277083, 338657, 354909, 688941, 1015971, 1064727, 1301333, 3047913, 3903999, 11711997, 12602749, 37808247, 113424741, 138630239, 214246733, 415890717, 642740199, 1247672151, 1928220597, 2356714063, 7070142189, 21210426567]

約数ペア:

[(1, 21210426567), (3, 7070142189), (9, 2356714063), (11, 1928220597), (17, 1247672151), (33, 642740199), (51, 415890717), (99, 214246733), (153, 138630239), (187, 113424741), (561, 37808247), (1683, 12602749), (1811, 11711997), (5433, 3903999), (6959, 3047913), (16299, 1301333), (19921, 1064727), (20877, 1015971), (30787, 688941), (59763, 354909), (62631, 338657), (76549, 277083), (92361, 229647), (118303, 179289)]