21375276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1877}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 54477024

約数和(自身を除く): 33101748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1877, 1898, 2847, 3754, 3796, 5631, 5694, 7508, 11262, 11388, 22524, 24401, 48802, 73203, 97604, 137021, 146406, 274042, 292812, 411063, 548084, 822126, 1644252, 1781273, 3562546, 5343819, 7125092, 10687638, 21375276]

約数ペア:

[(1, 21375276), (2, 10687638), (3, 7125092), (4, 5343819), (6, 3562546), (12, 1781273), (13, 1644252), (26, 822126), (39, 548084), (52, 411063), (73, 292812), (78, 274042), (146, 146406), (156, 137021), (219, 97604), (292, 73203), (438, 48802), (876, 24401), (949, 22524), (1877, 11388), (1898, 11262), (2847, 7508), (3754, 5694), (3796, 5631)]