21539063

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 28449792

約数和(自身を除く): 6910729

約数列:

[1, 7, 13, 23, 41, 91, 161, 251, 287, 299, 533, 943, 1757, 2093, 3263, 3731, 5773, 6601, 10291, 12259, 22841, 40411, 72037, 75049, 85813, 133783, 236693, 525343, 936481, 1656851, 3077009, 21539063]

約数ペア:

[(1, 21539063), (7, 3077009), (13, 1656851), (23, 936481), (41, 525343), (91, 236693), (161, 133783), (251, 85813), (287, 75049), (299, 72037), (533, 40411), (943, 22841), (1757, 12259), (2093, 10291), (3263, 6601), (3731, 5773)]