21062965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54709}}^1$

素因数の和:54732

約数の個数: 16

約数和(自身を含む): 31512960

約数和(自身を除く): 10449995

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 54709, 273545, 382963, 601799, 1914815, 3008995, 4212593, 21062965]

約数ペア:

[(1, 21062965), (5, 4212593), (7, 3008995), (11, 1914815), (35, 601799), (55, 382963), (77, 273545), (385, 54709)]