21750876

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28771}}^1$

素因数の和:28791

約数の個数: 48

約数和(自身を含む): 64449280

約数和(自身を除く): 42698404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28771, 57542, 86313, 115084, 172626, 201397, 258939, 345252, 402794, 517878, 604191, 776817, 805588, 1035756, 1208382, 1553634, 1812573, 2416764, 3107268, 3625146, 5437719, 7250292, 10875438, 21750876]

約数ペア:

[(1, 21750876), (2, 10875438), (3, 7250292), (4, 5437719), (6, 3625146), (7, 3107268), (9, 2416764), (12, 1812573), (14, 1553634), (18, 1208382), (21, 1035756), (27, 805588), (28, 776817), (36, 604191), (42, 517878), (54, 402794), (63, 345252), (84, 258939), (108, 201397), (126, 172626), (189, 115084), (252, 86313), (378, 57542), (756, 28771)]