21473782715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4591}}^1\times {\mathrm{12149}}^1$

素因数の和:16763

約数の個数: 32

約数和(自身を含む): 32136652800

約数和(自身を除く): 10662870085

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 4591, 12149, 22955, 32137, 50501, 60745, 85043, 133639, 160685, 252505, 353507, 425215, 668195, 935473, 1767535, 4677365, 55776059, 278880295, 390432413, 613536649, 1952162065, 3067683245, 4294756543, 21473782715]

約数ペア:

[(1, 21473782715), (5, 4294756543), (7, 3067683245), (11, 1952162065), (35, 613536649), (55, 390432413), (77, 278880295), (385, 55776059), (4591, 4677365), (12149, 1767535), (22955, 935473), (32137, 668195), (50501, 425215), (60745, 353507), (85043, 252505), (133639, 160685)]