21752659516

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{22549}}^1$

素因数の和:22954

約数の個数: 48

約数和(自身を含む): 44006054400

約数和(自身を除く): 22253394884

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 263, 524, 526, 917, 1052, 1834, 1841, 3668, 3682, 7364, 22549, 34453, 45098, 68906, 90196, 137812, 157843, 241171, 315686, 482342, 631372, 964684, 2953919, 5907838, 5930387, 11815676, 11860774, 20677433, 23721548, 41354866, 41512709, 82709732, 83025418, 166050836, 776880697, 1553761394, 3107522788, 5438164879, 10876329758, 21752659516]

約数ペア:

[(1, 21752659516), (2, 10876329758), (4, 5438164879), (7, 3107522788), (14, 1553761394), (28, 776880697), (131, 166050836), (262, 83025418), (263, 82709732), (524, 41512709), (526, 41354866), (917, 23721548), (1052, 20677433), (1834, 11860774), (1841, 11815676), (3668, 5930387), (3682, 5907838), (7364, 2953919), (22549, 964684), (34453, 631372), (45098, 482342), (68906, 315686), (90196, 241171), (137812, 157843)]