21070994

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51899}}^1$

素因数の和:51937

約数の個数: 16

約数和(自身を含む): 37368000

約数和(自身を除く): 16297006

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51899, 103798, 363293, 726586, 1505071, 3010142, 10535497, 21070994]

約数ペア:

[(1, 21070994), (2, 10535497), (7, 3010142), (14, 1505071), (29, 726586), (58, 363293), (203, 103798), (406, 51899)]