21996156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20143}}^1$

素因数の和:20170

約数の個数: 48

約数和(自身を含む): 63171584

約数和(自身を除く): 41175428

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 20143, 40286, 60429, 80572, 120858, 141001, 241716, 261859, 282002, 423003, 523718, 564004, 785577, 846006, 1047436, 1571154, 1692012, 1833013, 3142308, 3666026, 5499039, 7332052, 10998078, 21996156]

約数ペア:

[(1, 21996156), (2, 10998078), (3, 7332052), (4, 5499039), (6, 3666026), (7, 3142308), (12, 1833013), (13, 1692012), (14, 1571154), (21, 1047436), (26, 846006), (28, 785577), (39, 564004), (42, 523718), (52, 423003), (78, 282002), (84, 261859), (91, 241716), (156, 141001), (182, 120858), (273, 80572), (364, 60429), (546, 40286), (1092, 20143)]