2521519238

素因数分解:

$2^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{219377}}^1$

素因数の和:220207

約数の個数: 16

約数和(自身を含む): 4327889184

約数和(自身を除く): 1806369946

約数列:

[1, 2, 7, 14, 821, 1642, 5747, 11494, 219377, 438754, 1535639, 3071278, 180108517, 360217034, 1260759619, 2521519238]

約数ペア:

[(1, 2521519238), (2, 1260759619), (7, 360217034), (14, 180108517), (821, 3071278), (1642, 1535639), (5747, 438754), (11494, 219377)]