21580566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7669}}^1$

素因数の和:7748

約数の個数: 32

約数和(自身を含む): 50069760

約数和(自身を除く): 28489194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7669, 15338, 23007, 46014, 53683, 107366, 161049, 322098, 513823, 1027646, 1541469, 3082938, 3596761, 7193522, 10790283, 21580566]

約数ペア:

[(1, 21580566), (2, 10790283), (3, 7193522), (6, 3596761), (7, 3082938), (14, 1541469), (21, 1027646), (42, 513823), (67, 322098), (134, 161049), (201, 107366), (402, 53683), (469, 46014), (938, 23007), (1407, 15338), (2814, 7669)]