21494440917

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{15641}}^1$

素因数の和:15810

約数の個数: 48

約数和(自身を含む): 32854206528

約数和(自身を除く): 11359765611

約数列:

[1, 3, 9, 43, 53, 67, 129, 159, 201, 387, 477, 603, 2279, 2881, 3551, 6837, 8643, 10653, 15641, 20511, 25929, 31959, 46923, 140769, 152693, 458079, 672563, 828973, 1047947, 1374237, 2017689, 2486919, 3143841, 6053067, 7460757, 9431523, 35645839, 45061721, 55541191, 106937517, 135185163, 166623573, 320812551, 405555489, 499870719, 2388271213, 7164813639, 21494440917]

約数ペア:

[(1, 21494440917), (3, 7164813639), (9, 2388271213), (43, 499870719), (53, 405555489), (67, 320812551), (129, 166623573), (159, 135185163), (201, 106937517), (387, 55541191), (477, 45061721), (603, 35645839), (2279, 9431523), (2881, 7460757), (3551, 6053067), (6837, 3143841), (8643, 2486919), (10653, 2017689), (15641, 1374237), (20511, 1047947), (25929, 828973), (31959, 672563), (46923, 458079), (140769, 152693)]