21398034

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509477}}^1$

素因数の和:509489

約数の個数: 16

約数和(自身を含む): 48909888

約数和(自身を除く): 27511854

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509477, 1018954, 1528431, 3056862, 3566339, 7132678, 10699017, 21398034]

約数ペア:

[(1, 21398034), (2, 10699017), (3, 7132678), (6, 3566339), (7, 3056862), (14, 1528431), (21, 1018954), (42, 509477)]