21566027615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{599}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 30108672000

約数和(自身を除く): 8542644385

約数列:

[1, 5, 11, 19, 55, 95, 131, 209, 263, 599, 655, 1045, 1315, 1441, 2489, 2893, 2995, 4997, 6589, 7205, 11381, 12445, 14465, 24985, 27379, 32945, 34453, 54967, 56905, 78469, 125191, 136895, 157537, 172265, 274835, 378983, 392345, 625955, 654607, 787685, 863159, 1490911, 1732907, 1894915, 2993203, 3273035, 4315795, 7200677, 7454555, 8664535, 14966015, 16400021, 20637347, 32925233, 36003385, 82000105, 103186735, 164626165, 227010817, 392109593, 1135054085, 1960547965, 4313205523, 21566027615]

約数ペア:

[(1, 21566027615), (5, 4313205523), (11, 1960547965), (19, 1135054085), (55, 392109593), (95, 227010817), (131, 164626165), (209, 103186735), (263, 82000105), (599, 36003385), (655, 32925233), (1045, 20637347), (1315, 16400021), (1441, 14966015), (2489, 8664535), (2893, 7454555), (2995, 7200677), (4997, 4315795), (6589, 3273035), (7205, 2993203), (11381, 1894915), (12445, 1732907), (14465, 1490911), (24985, 863159), (27379, 787685), (32945, 654607), (34453, 625955), (54967, 392345), (56905, 378983), (78469, 274835), (125191, 172265), (136895, 157537)]