21872312

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{35507}}^1$

素因数の和:35531

約数の個数: 32

約数和(自身を含む): 51131520

約数和(自身を除く): 29259208

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 35507, 71014, 142028, 248549, 284056, 390577, 497098, 781154, 994196, 1562308, 1988392, 2734039, 3124616, 5468078, 10936156, 21872312]

約数ペア:

[(1, 21872312), (2, 10936156), (4, 5468078), (7, 3124616), (8, 2734039), (11, 1988392), (14, 1562308), (22, 994196), (28, 781154), (44, 497098), (56, 390577), (77, 284056), (88, 248549), (154, 142028), (308, 71014), (616, 35507)]