20210909670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10693603}}^1$

素因数の和:10693626

約数の個数: 64

約数和(自身を含む): 61595159040

約数和(自身を除く): 41384249370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10693603, 21387206, 32080809, 53468015, 64161618, 74855221, 96242427, 106936030, 149710442, 160404045, 192484854, 224565663, 288727281, 320808090, 374276105, 449131326, 481212135, 577454562, 673696989, 748552210, 962424270, 1122828315, 1347393978, 1443636405, 2021090967, 2245656630, 2887272810, 3368484945, 4042181934, 6736969890, 10105454835, 20210909670]

約数ペア:

[(1, 20210909670), (2, 10105454835), (3, 6736969890), (5, 4042181934), (6, 3368484945), (7, 2887272810), (9, 2245656630), (10, 2021090967), (14, 1443636405), (15, 1347393978), (18, 1122828315), (21, 962424270), (27, 748552210), (30, 673696989), (35, 577454562), (42, 481212135), (45, 449131326), (54, 374276105), (63, 320808090), (70, 288727281), (90, 224565663), (105, 192484854), (126, 160404045), (135, 149710442), (189, 106936030), (210, 96242427), (270, 74855221), (315, 64161618), (378, 53468015), (630, 32080809), (945, 21387206), (1890, 10693603)]