21328034

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16741}}^1$

素因数の和:16770

約数の個数: 24

約数和(自身を含む): 40080348

約数和(自身を除く): 18752314

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16741, 33482, 117187, 217633, 234374, 435266, 820309, 1523431, 1640618, 3046862, 10664017, 21328034]

約数ペア:

[(1, 21328034), (2, 10664017), (7, 3046862), (13, 1640618), (14, 1523431), (26, 820309), (49, 435266), (91, 234374), (98, 217633), (182, 117187), (637, 33482), (1274, 16741)]