21473508730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{13553}}^1$

素因数の和:13879

約数の個数: 64

約数和(自身を含む): 42158361600

約数和(自身を除く): 20684852870

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 269, 310, 538, 589, 1178, 1345, 2690, 2945, 5111, 5890, 8339, 10222, 13553, 16678, 25555, 27106, 41695, 51110, 67765, 83390, 135530, 158441, 257507, 316882, 420143, 515014, 792205, 840286, 1287535, 1584410, 2100715, 2575070, 3645757, 4201430, 7291514, 7982717, 15965434, 18228785, 36457570, 39913585, 69269383, 79827170, 113018467, 138538766, 226036934, 346346915, 565092335, 692693830, 1130184670, 2147350873, 4294701746, 10736754365, 21473508730]

約数ペア:

[(1, 21473508730), (2, 10736754365), (5, 4294701746), (10, 2147350873), (19, 1130184670), (31, 692693830), (38, 565092335), (62, 346346915), (95, 226036934), (155, 138538766), (190, 113018467), (269, 79827170), (310, 69269383), (538, 39913585), (589, 36457570), (1178, 18228785), (1345, 15965434), (2690, 7982717), (2945, 7291514), (5111, 4201430), (5890, 3645757), (8339, 2575070), (10222, 2100715), (13553, 1584410), (16678, 1287535), (25555, 840286), (27106, 792205), (41695, 515014), (51110, 420143), (67765, 316882), (83390, 257507), (135530, 158441)]