21041232

素因数分解:

$2^4\times 3^1\times {\mathrm{557}}^1\times {\mathrm{787}}^1$

素因数の和:1355

約数の個数: 40

約数和(自身を含む): 54523296

約数和(自身を除く): 33482064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 557, 787, 1114, 1574, 1671, 2228, 2361, 3148, 3342, 4456, 4722, 6296, 6684, 8912, 9444, 12592, 13368, 18888, 26736, 37776, 438359, 876718, 1315077, 1753436, 2630154, 3506872, 5260308, 7013744, 10520616, 21041232]

約数ペア:

[(1, 21041232), (2, 10520616), (3, 7013744), (4, 5260308), (6, 3506872), (8, 2630154), (12, 1753436), (16, 1315077), (24, 876718), (48, 438359), (557, 37776), (787, 26736), (1114, 18888), (1574, 13368), (1671, 12592), (2228, 9444), (2361, 8912), (3148, 6684), (3342, 6296), (4456, 4722)]