21817143

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 32400368

約数和(自身を除く): 10583225

約数列:

[1, 3, 9, 67, 97, 201, 291, 373, 603, 873, 1119, 3357, 6499, 19497, 24991, 36181, 58491, 74973, 108543, 224919, 325629, 2424127, 7272381, 21817143]

約数ペア:

[(1, 21817143), (3, 7272381), (9, 2424127), (67, 325629), (97, 224919), (201, 108543), (291, 74973), (373, 58491), (603, 36181), (873, 24991), (1119, 19497), (3357, 6499)]