21115702069

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{9781}}^1$

素因数の和:9898

約数の個数: 48

約数和(自身を含む): 28042568064

約数和(自身を除く): 6926865995

約数列:

[1, 7, 11, 23, 53, 77, 161, 253, 371, 529, 583, 1219, 1771, 3703, 4081, 5819, 8533, 9781, 13409, 28037, 40733, 68467, 93863, 107591, 196259, 224963, 308407, 518393, 753137, 1574741, 2158849, 2474593, 3628751, 5174149, 5702323, 11923039, 17322151, 36219043, 39916261, 56915639, 83461273, 131153429, 274229897, 398409473, 918074003, 1919609279, 3016528867, 21115702069]

約数ペア:

[(1, 21115702069), (7, 3016528867), (11, 1919609279), (23, 918074003), (53, 398409473), (77, 274229897), (161, 131153429), (253, 83461273), (371, 56915639), (529, 39916261), (583, 36219043), (1219, 17322151), (1771, 11923039), (3703, 5702323), (4081, 5174149), (5819, 3628751), (8533, 2474593), (9781, 2158849), (13409, 1574741), (28037, 753137), (40733, 518393), (68467, 308407), (93863, 224963), (107591, 196259)]