19721226

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67079}}^1$

素因数の和:67098

約数の個数: 24

約数和(自身を含む): 45882720

約数和(自身を除く): 26161494

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 67079, 134158, 201237, 402474, 469553, 939106, 1408659, 2817318, 3286871, 6573742, 9860613, 19721226]

約数ペア:

[(1, 19721226), (2, 9860613), (3, 6573742), (6, 3286871), (7, 2817318), (14, 1408659), (21, 939106), (42, 469553), (49, 402474), (98, 201237), (147, 134158), (294, 67079)]