21749676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 55206144

約数和(自身を除く): 33456468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1284, 1303, 1391, 2606, 2782, 3909, 4173, 5212, 5564, 7818, 8346, 15636, 16692, 16939, 33878, 50817, 67756, 101634, 139421, 203268, 278842, 418263, 557684, 836526, 1673052, 1812473, 3624946, 5437419, 7249892, 10874838, 21749676]

約数ペア:

[(1, 21749676), (2, 10874838), (3, 7249892), (4, 5437419), (6, 3624946), (12, 1812473), (13, 1673052), (26, 836526), (39, 557684), (52, 418263), (78, 278842), (107, 203268), (156, 139421), (214, 101634), (321, 67756), (428, 50817), (642, 33878), (1284, 16939), (1303, 16692), (1391, 15636), (2606, 8346), (2782, 7818), (3909, 5564), (4173, 5212)]