21327138

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{6269}}^1$

素因数の和:6293

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 33447582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 6269, 12538, 18807, 37614, 43883, 56421, 87766, 112842, 131649, 169263, 263298, 338526, 394947, 507789, 789894, 1015578, 1184841, 1523367, 2369682, 3046734, 3554523, 7109046, 10663569, 21327138]

約数ペア:

[(1, 21327138), (2, 10663569), (3, 7109046), (6, 3554523), (7, 3046734), (9, 2369682), (14, 1523367), (18, 1184841), (21, 1015578), (27, 789894), (42, 507789), (54, 394947), (63, 338526), (81, 263298), (126, 169263), (162, 131649), (189, 112842), (243, 87766), (378, 56421), (486, 43883), (567, 37614), (1134, 18807), (1701, 12538), (3402, 6269)]