21229121187

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1\times {\mathrm{1831}}^1$

素因数の和:2648

約数の個数: 48

約数和(自身を含む): 32465971200

約数和(自身を除く): 11236850013

約数列:

[1, 3, 9, 23, 69, 79, 207, 237, 709, 711, 1817, 1831, 2127, 5451, 5493, 6381, 16307, 16353, 16479, 42113, 48921, 56011, 126339, 144649, 146763, 168033, 379017, 433947, 504099, 1288253, 1298179, 1301841, 3326927, 3864759, 3894537, 9980781, 11594277, 11683611, 29858117, 29942343, 89574351, 102556141, 268723053, 307668423, 923005269, 2358791243, 7076373729, 21229121187]

約数ペア:

[(1, 21229121187), (3, 7076373729), (9, 2358791243), (23, 923005269), (69, 307668423), (79, 268723053), (207, 102556141), (237, 89574351), (709, 29942343), (711, 29858117), (1817, 11683611), (1831, 11594277), (2127, 9980781), (5451, 3894537), (5493, 3864759), (6381, 3326927), (16307, 1301841), (16353, 1298179), (16479, 1288253), (42113, 504099), (48921, 433947), (56011, 379017), (126339, 168033), (144649, 146763)]