21116095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4219}}^1$

素因数の和:4255

約数の個数: 32

約数和(自身を含む): 34030080

約数和(自身を除く): 12913985

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 4219, 5005, 21095, 29533, 46409, 54847, 147665, 232045, 274235, 324863, 383929, 603317, 1624315, 1919645, 3016585, 4223219, 21116095]

約数ペア:

[(1, 21116095), (5, 4223219), (7, 3016585), (11, 1919645), (13, 1624315), (35, 603317), (55, 383929), (65, 324863), (77, 274235), (91, 232045), (143, 147665), (385, 54847), (455, 46409), (715, 29533), (1001, 21095), (4219, 5005)]