21630315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29429}}^1$

素因数の和:29451

約数の個数: 24

約数和(自身を含む): 40260240

約数和(自身を除く): 18629925

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 29429, 88287, 147145, 206003, 441435, 618009, 1030015, 1442021, 3090045, 4326063, 7210105, 21630315]

約数ペア:

[(1, 21630315), (3, 7210105), (5, 4326063), (7, 3090045), (15, 1442021), (21, 1030015), (35, 618009), (49, 441435), (105, 206003), (147, 147145), (245, 88287), (735, 29429)]