21986002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 36547200

約数和(自身を除く): 14561198

約数列:

[1, 2, 19, 29, 38, 58, 71, 142, 281, 551, 562, 1102, 1349, 2059, 2698, 4118, 5339, 8149, 10678, 16298, 19951, 39121, 39902, 78242, 154831, 309662, 379069, 578579, 758138, 1157158, 10993001, 21986002]

約数ペア:

[(1, 21986002), (2, 10993001), (19, 1157158), (29, 758138), (38, 578579), (58, 379069), (71, 309662), (142, 154831), (281, 78242), (551, 39902), (562, 39121), (1102, 19951), (1349, 16298), (2059, 10678), (2698, 8149), (4118, 5339)]