21291363933

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16620893}}^1$

素因数の和:16620964

約数の個数: 16

約数和(自身を含む): 32975853696

約数和(自身を除く): 11684489763

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16620893, 49862679, 116346251, 349038753, 1013874473, 3041623419, 7097121311, 21291363933]

約数ペア:

[(1, 21291363933), (3, 7097121311), (7, 3041623419), (21, 1013874473), (61, 349038753), (183, 116346251), (427, 49862679), (1281, 16620893)]