21468315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5657}}^1$

素因数の和:5699

約数の個数: 32

約数和(自身を含む): 39108096

約数和(自身を除く): 17639781

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5657, 16971, 28285, 62227, 84855, 130111, 186681, 311135, 390333, 650555, 933405, 1431221, 1951665, 4293663, 7156105, 21468315]

約数ペア:

[(1, 21468315), (3, 7156105), (5, 4293663), (11, 1951665), (15, 1431221), (23, 933405), (33, 650555), (55, 390333), (69, 311135), (115, 186681), (165, 130111), (253, 84855), (345, 62227), (759, 28285), (1265, 16971), (3795, 5657)]