21748356

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12329}}^1$

素因数の和:12353

約数の個数: 54

約数和(自身を含む): 63955710

約数和(自身を除く): 42207354

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12329, 24658, 36987, 49316, 73974, 86303, 110961, 147948, 172606, 221922, 258909, 345212, 443844, 517818, 604121, 776727, 1035636, 1208242, 1553454, 1812363, 2416484, 3106908, 3624726, 5437089, 7249452, 10874178, 21748356]

約数ペア:

[(1, 21748356), (2, 10874178), (3, 7249452), (4, 5437089), (6, 3624726), (7, 3106908), (9, 2416484), (12, 1812363), (14, 1553454), (18, 1208242), (21, 1035636), (28, 776727), (36, 604121), (42, 517818), (49, 443844), (63, 345212), (84, 258909), (98, 221922), (126, 172606), (147, 147948), (196, 110961), (252, 86303), (294, 73974), (441, 49316), (588, 36987), (882, 24658), (1764, 12329)]