21177772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2371}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 47819520

約数和(自身を除く): 26641748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 2371, 4466, 4742, 8932, 9484, 16597, 26081, 33194, 52162, 66388, 68759, 104324, 137518, 182567, 275036, 365134, 481313, 730268, 756349, 962626, 1512698, 1925252, 3025396, 5294443, 10588886, 21177772]

約数ペア:

[(1, 21177772), (2, 10588886), (4, 5294443), (7, 3025396), (11, 1925252), (14, 1512698), (22, 962626), (28, 756349), (29, 730268), (44, 481313), (58, 365134), (77, 275036), (116, 182567), (154, 137518), (203, 104324), (308, 68759), (319, 66388), (406, 52162), (638, 33194), (812, 26081), (1276, 16597), (2233, 9484), (2371, 8932), (4466, 4742)]