21632247

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 39178048

約数和(自身を除く): 17545801

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 427, 433, 549, 793, 819, 1281, 1299, 2379, 3031, 3843, 3897, 5551, 5629, 7137, 9093, 16653, 16887, 26413, 27279, 39403, 49959, 50661, 79239, 118209, 184891, 237717, 343369, 354627, 554673, 1030107, 1664019, 2403583, 3090321, 7210749, 21632247]

約数ペア:

[(1, 21632247), (3, 7210749), (7, 3090321), (9, 2403583), (13, 1664019), (21, 1030107), (39, 554673), (61, 354627), (63, 343369), (91, 237717), (117, 184891), (183, 118209), (273, 79239), (427, 50661), (433, 49959), (549, 39403), (793, 27279), (819, 26413), (1281, 16887), (1299, 16653), (2379, 9093), (3031, 7137), (3843, 5629), (3897, 5551)]