21237192

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{2153}}^1$

素因数の和:2302

約数の個数: 48

約数和(自身を含む): 57964140

約数和(自身を除く): 36726948

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 2153, 2466, 3288, 4306, 4932, 6459, 8612, 9864, 12918, 17224, 19377, 25836, 38754, 51672, 77508, 155016, 294961, 589922, 884883, 1179844, 1769766, 2359688, 2654649, 3539532, 5309298, 7079064, 10618596, 21237192]

約数ペア:

[(1, 21237192), (2, 10618596), (3, 7079064), (4, 5309298), (6, 3539532), (8, 2654649), (9, 2359688), (12, 1769766), (18, 1179844), (24, 884883), (36, 589922), (72, 294961), (137, 155016), (274, 77508), (411, 51672), (548, 38754), (822, 25836), (1096, 19377), (1233, 17224), (1644, 12918), (2153, 9864), (2466, 8612), (3288, 6459), (4306, 4932)]