21763490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4259}}^1$

素因数の和:4346

約数の個数: 32

約数和(自身を含む): 45394560

約数和(自身を除く): 23631070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 4259, 5110, 8518, 21295, 29813, 42590, 59626, 149065, 298130, 310907, 621814, 1554535, 2176349, 3109070, 4352698, 10881745, 21763490]

約数ペア:

[(1, 21763490), (2, 10881745), (5, 4352698), (7, 3109070), (10, 2176349), (14, 1554535), (35, 621814), (70, 310907), (73, 298130), (146, 149065), (365, 59626), (511, 42590), (730, 29813), (1022, 21295), (2555, 8518), (4259, 5110)]