21336411

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 10838949

約数列:

[1, 3, 17, 19, 51, 57, 97, 227, 291, 323, 681, 969, 1649, 1843, 3859, 4313, 4947, 5529, 11577, 12939, 22019, 31331, 66057, 73321, 93993, 219963, 374323, 418361, 1122969, 1255083, 7112137, 21336411]

約数ペア:

[(1, 21336411), (3, 7112137), (17, 1255083), (19, 1122969), (51, 418361), (57, 374323), (97, 219963), (227, 93993), (291, 73321), (323, 66057), (681, 31331), (969, 22019), (1649, 12939), (1843, 11577), (3859, 5529), (4313, 4947)]