21452235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10753}}^1$

素因数の和:10787

約数の個数: 32

約数和(自身を含む): 41295360

約数和(自身を除く): 19843125

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10753, 32259, 53765, 75271, 161295, 204307, 225813, 376355, 612921, 1021535, 1129065, 1430149, 3064605, 4290447, 7150745, 21452235]

約数ペア:

[(1, 21452235), (3, 7150745), (5, 4290447), (7, 3064605), (15, 1430149), (19, 1129065), (21, 1021535), (35, 612921), (57, 376355), (95, 225813), (105, 204307), (133, 161295), (285, 75271), (399, 53765), (665, 32259), (1995, 10753)]