21146601

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52999}}^1$

素因数の和:53028

約数の個数: 16

約数和(自身を含む): 33920000

約数和(自身を除く): 12773399

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 52999, 158997, 370993, 1006981, 1112979, 3020943, 7048867, 21146601]

約数ペア:

[(1, 21146601), (3, 7048867), (7, 3020943), (19, 1112979), (21, 1006981), (57, 370993), (133, 158997), (399, 52999)]