21519367029

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1\times {\mathrm{1531}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 32177882880

約数和(自身を除く): 10658515851

約数列:

[1, 3, 9, 53, 79, 159, 237, 373, 477, 711, 1119, 1531, 3357, 4187, 4593, 12561, 13779, 19769, 29467, 37683, 59307, 81143, 88401, 120949, 177921, 243429, 265203, 362847, 571063, 730287, 1088541, 1561751, 1713189, 4685253, 5139567, 6410297, 14055759, 19230891, 30266339, 45113977, 57692673, 90799017, 135341931, 272397051, 406025793, 2391040781, 7173122343, 21519367029]

約数ペア:

[(1, 21519367029), (3, 7173122343), (9, 2391040781), (53, 406025793), (79, 272397051), (159, 135341931), (237, 90799017), (373, 57692673), (477, 45113977), (711, 30266339), (1119, 19230891), (1531, 14055759), (3357, 6410297), (4187, 5139567), (4593, 4685253), (12561, 1713189), (13779, 1561751), (19769, 1088541), (29467, 730287), (37683, 571063), (59307, 362847), (81143, 265203), (88401, 243429), (120949, 177921)]