21849411

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 10118589

約数列:

[1, 3, 19, 57, 59, 73, 89, 177, 219, 267, 1121, 1387, 1691, 3363, 4161, 4307, 5073, 5251, 6497, 12921, 15753, 19491, 81833, 99769, 123443, 245499, 299307, 370329, 383323, 1149969, 7283137, 21849411]

約数ペア:

[(1, 21849411), (3, 7283137), (19, 1149969), (57, 383323), (59, 370329), (73, 299307), (89, 245499), (177, 123443), (219, 99769), (267, 81833), (1121, 19491), (1387, 15753), (1691, 12921), (3363, 6497), (4161, 5251), (4307, 5073)]