21458586

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1187}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 45163008

約数和(自身を除く): 23704422

約数列:

[1, 2, 3, 6, 23, 46, 69, 131, 138, 262, 393, 786, 1187, 2374, 3013, 3561, 6026, 7122, 9039, 18078, 27301, 54602, 81903, 155497, 163806, 310994, 466491, 932982, 3576431, 7152862, 10729293, 21458586]

約数ペア:

[(1, 21458586), (2, 10729293), (3, 7152862), (6, 3576431), (23, 932982), (46, 466491), (69, 310994), (131, 163806), (138, 155497), (262, 81903), (393, 54602), (786, 27301), (1187, 18078), (2374, 9039), (3013, 7122), (3561, 6026)]