21275412

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 50971200

約数和(自身を除く): 29695788

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 149, 163, 219, 292, 298, 326, 438, 447, 489, 596, 652, 876, 894, 978, 1788, 1956, 10877, 11899, 21754, 23798, 24287, 32631, 35697, 43508, 47596, 48574, 65262, 71394, 72861, 97148, 130524, 142788, 145722, 291444, 1772951, 3545902, 5318853, 7091804, 10637706, 21275412]

約数ペア:

[(1, 21275412), (2, 10637706), (3, 7091804), (4, 5318853), (6, 3545902), (12, 1772951), (73, 291444), (146, 145722), (149, 142788), (163, 130524), (219, 97148), (292, 72861), (298, 71394), (326, 65262), (438, 48574), (447, 47596), (489, 43508), (596, 35697), (652, 32631), (876, 24287), (894, 23798), (978, 21754), (1788, 11899), (1956, 10877)]