21534324

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 59639328

約数和(自身を除く): 38105004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 636, 691, 742, 1113, 1382, 1484, 2073, 2226, 2597, 2764, 4146, 4452, 4837, 5194, 7791, 8292, 9674, 10388, 14511, 15582, 19348, 29022, 31164, 33859, 36623, 58044, 67718, 73246, 101577, 109869, 135436, 146492, 203154, 219738, 256361, 406308, 439476, 512722, 769083, 1025444, 1538166, 1794527, 3076332, 3589054, 5383581, 7178108, 10767162, 21534324]

約数ペア:

[(1, 21534324), (2, 10767162), (3, 7178108), (4, 5383581), (6, 3589054), (7, 3076332), (12, 1794527), (14, 1538166), (21, 1025444), (28, 769083), (42, 512722), (49, 439476), (53, 406308), (84, 256361), (98, 219738), (106, 203154), (147, 146492), (159, 135436), (196, 109869), (212, 101577), (294, 73246), (318, 67718), (371, 58044), (588, 36623), (636, 33859), (691, 31164), (742, 29022), (1113, 19348), (1382, 15582), (1484, 14511), (2073, 10388), (2226, 9674), (2597, 8292), (2764, 7791), (4146, 5194), (4452, 4837)]