21352233172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{257591}}^1$

素因数の和:257688

約数の個数: 48

約数和(自身を含む): 42063743232

約数和(自身を除く): 20711510060

約数列:

[1, 2, 4, 17, 23, 34, 46, 53, 68, 92, 106, 212, 391, 782, 901, 1219, 1564, 1802, 2438, 3604, 4876, 20723, 41446, 82892, 257591, 515182, 1030364, 4379047, 5924593, 8758094, 11849186, 13652323, 17516188, 23698372, 27304646, 54609292, 100718081, 201436162, 232089491, 314003429, 402872324, 464178982, 628006858, 928357964, 1256013716, 5338058293, 10676116586, 21352233172]

約数ペア:

[(1, 21352233172), (2, 10676116586), (4, 5338058293), (17, 1256013716), (23, 928357964), (34, 628006858), (46, 464178982), (53, 402872324), (68, 314003429), (92, 232089491), (106, 201436162), (212, 100718081), (391, 54609292), (782, 27304646), (901, 23698372), (1219, 17516188), (1564, 13652323), (1802, 11849186), (2438, 8758094), (3604, 5924593), (4876, 4379047), (20723, 1030364), (41446, 515182), (82892, 257591)]