21680148

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{36871}}^1$

素因数の和:36892

約数の個数: 36

約数和(自身を含む): 58847712

約数和(自身を除く): 37167564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 36871, 73742, 110613, 147484, 221226, 258097, 442452, 516194, 774291, 1032388, 1548582, 1806679, 3097164, 3613358, 5420037, 7226716, 10840074, 21680148]

約数ペア:

[(1, 21680148), (2, 10840074), (3, 7226716), (4, 5420037), (6, 3613358), (7, 3097164), (12, 1806679), (14, 1548582), (21, 1032388), (28, 774291), (42, 516194), (49, 442452), (84, 258097), (98, 221226), (147, 147484), (196, 110613), (294, 73742), (588, 36871)]