21248658717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{54973}}^1$

素因数の和:55070

約数の個数: 64

約数和(自身を含む): 35908137216

約数和(自身を除く): 14659478499

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 53, 143, 159, 187, 221, 429, 561, 583, 663, 689, 901, 1749, 2067, 2431, 2703, 7293, 7579, 9911, 11713, 22737, 29733, 35139, 54973, 128843, 164919, 386529, 604703, 714649, 934541, 1814109, 2143947, 2803623, 2913569, 7861139, 8740707, 10279951, 12149033, 23583417, 30839853, 32049259, 36447099, 37876397, 49530673, 96147777, 113629191, 133639363, 148592019, 400918089, 416640367, 544837403, 643898749, 1249921101, 1634512209, 1931696247, 7082886239, 21248658717]

約数ペア:

[(1, 21248658717), (3, 7082886239), (11, 1931696247), (13, 1634512209), (17, 1249921101), (33, 643898749), (39, 544837403), (51, 416640367), (53, 400918089), (143, 148592019), (159, 133639363), (187, 113629191), (221, 96147777), (429, 49530673), (561, 37876397), (583, 36447099), (663, 32049259), (689, 30839853), (901, 23583417), (1749, 12149033), (2067, 10279951), (2431, 8740707), (2703, 7861139), (7293, 2913569), (7579, 2803623), (9911, 2143947), (11713, 1814109), (22737, 934541), (29733, 714649), (35139, 604703), (54973, 386529), (128843, 164919)]