21838160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9413}}^1$

素因数の和:9455

約数の個数: 40

約数和(自身を含む): 52530120

約数和(自身を除く): 30691960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 9413, 18826, 37652, 47065, 75304, 94130, 150608, 188260, 272977, 376520, 545954, 753040, 1091908, 1364885, 2183816, 2729770, 4367632, 5459540, 10919080, 21838160]

約数ペア:

[(1, 21838160), (2, 10919080), (4, 5459540), (5, 4367632), (8, 2729770), (10, 2183816), (16, 1364885), (20, 1091908), (29, 753040), (40, 545954), (58, 376520), (80, 272977), (116, 188260), (145, 150608), (232, 94130), (290, 75304), (464, 47065), (580, 37652), (1160, 18826), (2320, 9413)]