21413991

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1\times {\mathrm{359}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 29203200

約数和(自身を除く): 7789209

約数列:

[1, 3, 59, 177, 337, 359, 1011, 1077, 19883, 21181, 59649, 63543, 120983, 362949, 7137997, 21413991]

約数ペア:

[(1, 21413991), (3, 7137997), (59, 362949), (177, 120983), (337, 63543), (359, 59649), (1011, 21181), (1077, 19883)]