21159474

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71971}}^1$

素因数の和:71990

約数の個数: 24

約数和(自身を含む): 49228848

約数和(自身を除く): 28069374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71971, 143942, 215913, 431826, 503797, 1007594, 1511391, 3022782, 3526579, 7053158, 10579737, 21159474]

約数ペア:

[(1, 21159474), (2, 10579737), (3, 7053158), (6, 3526579), (7, 3022782), (14, 1511391), (21, 1007594), (42, 503797), (49, 431826), (98, 215913), (147, 143942), (294, 71971)]