21368858

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 17200102

約数列:

[1, 2, 7, 14, 31, 53, 62, 106, 217, 371, 434, 742, 929, 1643, 1858, 3286, 6503, 11501, 13006, 23002, 28799, 49237, 57598, 98474, 201593, 344659, 403186, 689318, 1526347, 3052694, 10684429, 21368858]

約数ペア:

[(1, 21368858), (2, 10684429), (7, 3052694), (14, 1526347), (31, 689318), (53, 403186), (62, 344659), (106, 201593), (217, 98474), (371, 57598), (434, 49237), (742, 28799), (929, 23002), (1643, 13006), (1858, 11501), (3286, 6503)]