21820266

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^2\times {\mathrm{797}}^1$

素因数の和:837

約数の個数: 60

約数和(自身を含む): 53010342

約数和(自身を除く): 31190076

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 169, 234, 338, 351, 507, 702, 797, 1014, 1053, 1521, 1594, 2106, 2391, 3042, 4563, 4782, 7173, 9126, 10361, 13689, 14346, 20722, 21519, 27378, 31083, 43038, 62166, 64557, 93249, 129114, 134693, 186498, 269386, 279747, 404079, 559494, 808158, 839241, 1212237, 1678482, 2424474, 3636711, 7273422, 10910133, 21820266]

約数ペア:

[(1, 21820266), (2, 10910133), (3, 7273422), (6, 3636711), (9, 2424474), (13, 1678482), (18, 1212237), (26, 839241), (27, 808158), (39, 559494), (54, 404079), (78, 279747), (81, 269386), (117, 186498), (162, 134693), (169, 129114), (234, 93249), (338, 64557), (351, 62166), (507, 43038), (702, 31083), (797, 27378), (1014, 21519), (1053, 20722), (1521, 14346), (1594, 13689), (2106, 10361), (2391, 9126), (3042, 7173), (4563, 4782)]