21831171

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 32486400

約数和(自身を除く): 10655229

約数列:

[1, 3, 19, 29, 47, 57, 87, 141, 281, 551, 843, 893, 1363, 1653, 2679, 4089, 5339, 8149, 13207, 16017, 24447, 25897, 39621, 77691, 154831, 250933, 383003, 464493, 752799, 1149009, 7277057, 21831171]

約数ペア:

[(1, 21831171), (3, 7277057), (19, 1149009), (29, 752799), (47, 464493), (57, 383003), (87, 250933), (141, 154831), (281, 77691), (551, 39621), (843, 25897), (893, 24447), (1363, 16017), (1653, 13207), (2679, 8149), (4089, 5339)]